15481998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 41932800

約数和(自身を除く): 26450802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 29, 38, 42, 57, 58, 63, 87, 114, 126, 133, 171, 174, 203, 223, 261, 266, 342, 399, 406, 446, 522, 551, 609, 669, 798, 1102, 1197, 1218, 1338, 1561, 1653, 1827, 2007, 2394, 3122, 3306, 3654, 3857, 4014, 4237, 4683, 4959, 6467, 7714, 8474, 9366, 9918, 11571, 12711, 12934, 14049, 19401, 23142, 25422, 28098, 29659, 34713, 38133, 38802, 45269, 58203, 59318, 69426, 76266, 88977, 90538, 116406, 122873, 135807, 177954, 245746, 266931, 271614, 368619, 407421, 533862, 737238, 814842, 860111, 1105857, 1720222, 2211714, 2580333, 5160666, 7740999, 15481998]

約数ペア:

[(1, 15481998), (2, 7740999), (3, 5160666), (6, 2580333), (7, 2211714), (9, 1720222), (14, 1105857), (18, 860111), (19, 814842), (21, 737238), (29, 533862), (38, 407421), (42, 368619), (57, 271614), (58, 266931), (63, 245746), (87, 177954), (114, 135807), (126, 122873), (133, 116406), (171, 90538), (174, 88977), (203, 76266), (223, 69426), (261, 59318), (266, 58203), (342, 45269), (399, 38802), (406, 38133), (446, 34713), (522, 29659), (551, 28098), (609, 25422), (669, 23142), (798, 19401), (1102, 14049), (1197, 12934), (1218, 12711), (1338, 11571), (1561, 9918), (1653, 9366), (1827, 8474), (2007, 7714), (2394, 6467), (3122, 4959), (3306, 4683), (3654, 4237), (3857, 4014)]