19919172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 44431548

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 29, 34, 37, 39, 42, 51, 52, 58, 68, 74, 78, 84, 87, 91, 102, 111, 116, 119, 148, 156, 174, 182, 203, 204, 221, 222, 238, 259, 273, 348, 357, 364, 377, 406, 442, 444, 476, 481, 493, 518, 546, 609, 629, 663, 714, 754, 777, 812, 884, 962, 986, 1036, 1073, 1092, 1131, 1218, 1258, 1326, 1428, 1443, 1479, 1508, 1547, 1554, 1887, 1924, 1972, 2146, 2262, 2436, 2516, 2639, 2652, 2886, 2958, 3094, 3108, 3219, 3367, 3451, 3774, 4292, 4403, 4524, 4641, 5278, 5772, 5916, 6188, 6409, 6438, 6734, 6902, 7511, 7548, 7917, 8177, 8806, 9282, 10101, 10353, 10556, 12818, 12876, 13209, 13468, 13804, 13949, 15022, 15834, 16354, 17612, 18241, 18564, 19227, 20202, 20706, 22533, 24531, 25636, 26418, 27898, 30044, 31668, 32708, 36482, 38454, 40404, 41412, 41847, 44863, 45066, 49062, 52836, 54723, 55796, 57239, 72964, 76908, 83694, 89726, 90132, 97643, 98124, 109446, 114478, 127687, 134589, 167388, 171717, 179452, 195286, 218892, 228956, 237133, 255374, 269178, 292929, 343434, 383061, 390572, 474266, 510748, 538356, 585858, 686868, 711399, 766122, 948532, 1171716, 1422798, 1532244, 1659931, 2845596, 3319862, 4979793, 6639724, 9959586, 19919172]

約数ペア:

[(1, 19919172), (2, 9959586), (3, 6639724), (4, 4979793), (6, 3319862), (7, 2845596), (12, 1659931), (13, 1532244), (14, 1422798), (17, 1171716), (21, 948532), (26, 766122), (28, 711399), (29, 686868), (34, 585858), (37, 538356), (39, 510748), (42, 474266), (51, 390572), (52, 383061), (58, 343434), (68, 292929), (74, 269178), (78, 255374), (84, 237133), (87, 228956), (91, 218892), (102, 195286), (111, 179452), (116, 171717), (119, 167388), (148, 134589), (156, 127687), (174, 114478), (182, 109446), (203, 98124), (204, 97643), (221, 90132), (222, 89726), (238, 83694), (259, 76908), (273, 72964), (348, 57239), (357, 55796), (364, 54723), (377, 52836), (406, 49062), (442, 45066), (444, 44863), (476, 41847), (481, 41412), (493, 40404), (518, 38454), (546, 36482), (609, 32708), (629, 31668), (663, 30044), (714, 27898), (754, 26418), (777, 25636), (812, 24531), (884, 22533), (962, 20706), (986, 20202), (1036, 19227), (1073, 18564), (1092, 18241), (1131, 17612), (1218, 16354), (1258, 15834), (1326, 15022), (1428, 13949), (1443, 13804), (1479, 13468), (1508, 13209), (1547, 12876), (1554, 12818), (1887, 10556), (1924, 10353), (1972, 10101), (2146, 9282), (2262, 8806), (2436, 8177), (2516, 7917), (2639, 7548), (2652, 7511), (2886, 6902), (2958, 6734), (3094, 6438), (3108, 6409), (3219, 6188), (3367, 5916), (3451, 5772), (3774, 5278), (4292, 4641), (4403, 4524)]