19882044

素因数分解:

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

素因数の和:74

約数の個数: 216

約数和(自身を含む): 68596080

約数和(自身を除く): 48714036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 49, 51, 52, 54, 63, 68, 78, 84, 91, 98, 102, 108, 117, 119, 126, 147, 153, 156, 182, 189, 196, 204, 221, 234, 238, 252, 273, 289, 294, 306, 351, 357, 364, 378, 441, 442, 459, 468, 476, 546, 578, 588, 612, 637, 663, 702, 714, 756, 819, 833, 867, 882, 884, 918, 1071, 1092, 1156, 1274, 1323, 1326, 1404, 1428, 1547, 1638, 1666, 1734, 1764, 1836, 1911, 1989, 2023, 2142, 2457, 2499, 2548, 2601, 2646, 2652, 3094, 3213, 3276, 3332, 3468, 3757, 3822, 3978, 4046, 4284, 4641, 4914, 4998, 5202, 5292, 5733, 5967, 6069, 6188, 6426, 7497, 7514, 7644, 7803, 7956, 8092, 9282, 9828, 9996, 10404, 10829, 11271, 11466, 11934, 12138, 12852, 13923, 14161, 14994, 15028, 15606, 17199, 18207, 18564, 21658, 22491, 22542, 22932, 23868, 24276, 26299, 27846, 28322, 29988, 31212, 32487, 33813, 34398, 36414, 41769, 42483, 43316, 44982, 45084, 52598, 54621, 55692, 56644, 64974, 67626, 68796, 72828, 78897, 83538, 84966, 89964, 97461, 101439, 105196, 109242, 127449, 129948, 135252, 157794, 167076, 169932, 184093, 194922, 202878, 218484, 236691, 254898, 292383, 315588, 368186, 382347, 389844, 405756, 473382, 509796, 552279, 584766, 710073, 736372, 764694, 946764, 1104558, 1169532, 1420146, 1529388, 1656837, 2209116, 2840292, 3313674, 4970511, 6627348, 9941022, 19882044]

約数ペア:

[(1, 19882044), (2, 9941022), (3, 6627348), (4, 4970511), (6, 3313674), (7, 2840292), (9, 2209116), (12, 1656837), (13, 1529388), (14, 1420146), (17, 1169532), (18, 1104558), (21, 946764), (26, 764694), (27, 736372), (28, 710073), (34, 584766), (36, 552279), (39, 509796), (42, 473382), (49, 405756), (51, 389844), (52, 382347), (54, 368186), (63, 315588), (68, 292383), (78, 254898), (84, 236691), (91, 218484), (98, 202878), (102, 194922), (108, 184093), (117, 169932), (119, 167076), (126, 157794), (147, 135252), (153, 129948), (156, 127449), (182, 109242), (189, 105196), (196, 101439), (204, 97461), (221, 89964), (234, 84966), (238, 83538), (252, 78897), (273, 72828), (289, 68796), (294, 67626), (306, 64974), (351, 56644), (357, 55692), (364, 54621), (378, 52598), (441, 45084), (442, 44982), (459, 43316), (468, 42483), (476, 41769), (546, 36414), (578, 34398), (588, 33813), (612, 32487), (637, 31212), (663, 29988), (702, 28322), (714, 27846), (756, 26299), (819, 24276), (833, 23868), (867, 22932), (882, 22542), (884, 22491), (918, 21658), (1071, 18564), (1092, 18207), (1156, 17199), (1274, 15606), (1323, 15028), (1326, 14994), (1404, 14161), (1428, 13923), (1547, 12852), (1638, 12138), (1666, 11934), (1734, 11466), (1764, 11271), (1836, 10829), (1911, 10404), (1989, 9996), (2023, 9828), (2142, 9282), (2457, 8092), (2499, 7956), (2548, 7803), (2601, 7644), (2646, 7514), (2652, 7497), (3094, 6426), (3213, 6188), (3276, 6069), (3332, 5967), (3468, 5733), (3757, 5292), (3822, 5202), (3978, 4998), (4046, 4914), (4284, 4641)]