18975968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 44126208

約数和(自身を除く): 25150240

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 37, 44, 47, 62, 74, 88, 94, 124, 148, 176, 188, 248, 296, 341, 352, 376, 407, 496, 517, 592, 682, 752, 814, 992, 1034, 1147, 1184, 1364, 1457, 1504, 1628, 1739, 2068, 2294, 2728, 2914, 3256, 3478, 4136, 4588, 5456, 5828, 6512, 6956, 8272, 9176, 10912, 11656, 12617, 13024, 13912, 16027, 16544, 18352, 19129, 23312, 25234, 27824, 32054, 36704, 38258, 46624, 50468, 53909, 55648, 64108, 76516, 100936, 107818, 128216, 153032, 201872, 215636, 256432, 306064, 403744, 431272, 512864, 592999, 612128, 862544, 1185998, 1725088, 2371996, 4743992, 9487984, 18975968]

約数ペア:

[(1, 18975968), (2, 9487984), (4, 4743992), (8, 2371996), (11, 1725088), (16, 1185998), (22, 862544), (31, 612128), (32, 592999), (37, 512864), (44, 431272), (47, 403744), (62, 306064), (74, 256432), (88, 215636), (94, 201872), (124, 153032), (148, 128216), (176, 107818), (188, 100936), (248, 76516), (296, 64108), (341, 55648), (352, 53909), (376, 50468), (407, 46624), (496, 38258), (517, 36704), (592, 32054), (682, 27824), (752, 25234), (814, 23312), (992, 19129), (1034, 18352), (1147, 16544), (1184, 16027), (1364, 13912), (1457, 13024), (1504, 12617), (1628, 11656), (1739, 10912), (2068, 9176), (2294, 8272), (2728, 6956), (2914, 6512), (3256, 5828), (3478, 5456), (4136, 4588)]