19536816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 35459664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 239, 262, 312, 393, 478, 524, 624, 717, 786, 956, 1048, 1434, 1572, 1703, 1912, 2096, 2868, 3107, 3144, 3406, 3824, 5109, 5736, 6214, 6288, 6812, 9321, 10218, 11472, 12428, 13624, 18642, 20436, 24856, 27248, 31309, 37284, 40872, 49712, 62618, 74568, 81744, 93927, 125236, 149136, 187854, 250472, 375708, 407017, 500944, 751416, 814034, 1221051, 1502832, 1628068, 2442102, 3256136, 4884204, 6512272, 9768408, 19536816]

約数ペア:

[(1, 19536816), (2, 9768408), (3, 6512272), (4, 4884204), (6, 3256136), (8, 2442102), (12, 1628068), (13, 1502832), (16, 1221051), (24, 814034), (26, 751416), (39, 500944), (48, 407017), (52, 375708), (78, 250472), (104, 187854), (131, 149136), (156, 125236), (208, 93927), (239, 81744), (262, 74568), (312, 62618), (393, 49712), (478, 40872), (524, 37284), (624, 31309), (717, 27248), (786, 24856), (956, 20436), (1048, 18642), (1434, 13624), (1572, 12428), (1703, 11472), (1912, 10218), (2096, 9321), (2868, 6812), (3107, 6288), (3144, 6214), (3406, 5736), (3824, 5109)]