18545436

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 64886976

約数和(自身を除く): 46341540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 37, 39, 42, 51, 52, 54, 63, 68, 74, 78, 81, 84, 91, 102, 108, 111, 117, 119, 126, 148, 153, 156, 162, 182, 189, 204, 221, 222, 234, 238, 252, 259, 273, 306, 324, 333, 351, 357, 364, 378, 442, 444, 459, 468, 476, 481, 518, 546, 567, 612, 629, 663, 666, 702, 714, 756, 777, 819, 884, 918, 962, 999, 1036, 1053, 1071, 1092, 1134, 1258, 1326, 1332, 1377, 1404, 1428, 1443, 1547, 1554, 1638, 1836, 1887, 1924, 1989, 1998, 2106, 2142, 2268, 2331, 2457, 2516, 2652, 2754, 2886, 2997, 3094, 3108, 3213, 3276, 3367, 3774, 3978, 3996, 4212, 4284, 4329, 4403, 4641, 4662, 4914, 5508, 5661, 5772, 5967, 5994, 6188, 6426, 6734, 6993, 7371, 7548, 7956, 8177, 8658, 8806, 9282, 9324, 9639, 9828, 10101, 11322, 11934, 11988, 12852, 12987, 13209, 13468, 13923, 13986, 14742, 16354, 16983, 17316, 17612, 17901, 18564, 19278, 20202, 20979, 22644, 23868, 24531, 25974, 26418, 27846, 27972, 29484, 30303, 32708, 33966, 35802, 38556, 38961, 39627, 40404, 41769, 41958, 49062, 50949, 51948, 52836, 55692, 57239, 60606, 67932, 71604, 73593, 77922, 79254, 83538, 83916, 90909, 98124, 101898, 114478, 118881, 121212, 125307, 147186, 155844, 158508, 167076, 171717, 181818, 203796, 220779, 228956, 237762, 250614, 272727, 294372, 343434, 356643, 363636, 441558, 475524, 501228, 515151, 545454, 662337, 686868, 713286, 883116, 1030302, 1090908, 1324674, 1426572, 1545453, 2060604, 2649348, 3090906, 4636359, 6181812, 9272718, 18545436]

約数ペア:

[(1, 18545436), (2, 9272718), (3, 6181812), (4, 4636359), (6, 3090906), (7, 2649348), (9, 2060604), (12, 1545453), (13, 1426572), (14, 1324674), (17, 1090908), (18, 1030302), (21, 883116), (26, 713286), (27, 686868), (28, 662337), (34, 545454), (36, 515151), (37, 501228), (39, 475524), (42, 441558), (51, 363636), (52, 356643), (54, 343434), (63, 294372), (68, 272727), (74, 250614), (78, 237762), (81, 228956), (84, 220779), (91, 203796), (102, 181818), (108, 171717), (111, 167076), (117, 158508), (119, 155844), (126, 147186), (148, 125307), (153, 121212), (156, 118881), (162, 114478), (182, 101898), (189, 98124), (204, 90909), (221, 83916), (222, 83538), (234, 79254), (238, 77922), (252, 73593), (259, 71604), (273, 67932), (306, 60606), (324, 57239), (333, 55692), (351, 52836), (357, 51948), (364, 50949), (378, 49062), (442, 41958), (444, 41769), (459, 40404), (468, 39627), (476, 38961), (481, 38556), (518, 35802), (546, 33966), (567, 32708), (612, 30303), (629, 29484), (663, 27972), (666, 27846), (702, 26418), (714, 25974), (756, 24531), (777, 23868), (819, 22644), (884, 20979), (918, 20202), (962, 19278), (999, 18564), (1036, 17901), (1053, 17612), (1071, 17316), (1092, 16983), (1134, 16354), (1258, 14742), (1326, 13986), (1332, 13923), (1377, 13468), (1404, 13209), (1428, 12987), (1443, 12852), (1547, 11988), (1554, 11934), (1638, 11322), (1836, 10101), (1887, 9828), (1924, 9639), (1989, 9324), (1998, 9282), (2106, 8806), (2142, 8658), (2268, 8177), (2331, 7956), (2457, 7548), (2516, 7371), (2652, 6993), (2754, 6734), (2886, 6426), (2997, 6188), (3094, 5994), (3108, 5967), (3213, 5772), (3276, 5661), (3367, 5508), (3774, 4914), (3978, 4662), (3996, 4641), (4212, 4403), (4284, 4329)]