18870888

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30377112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 79, 111, 148, 158, 222, 237, 269, 296, 316, 444, 474, 538, 632, 807, 888, 948, 1076, 1614, 1896, 2152, 2923, 3228, 5846, 6456, 8769, 9953, 11692, 17538, 19906, 21251, 23384, 29859, 35076, 39812, 42502, 59718, 63753, 70152, 79624, 85004, 119436, 127506, 170008, 238872, 255012, 510024, 786287, 1572574, 2358861, 3145148, 4717722, 6290296, 9435444, 18870888]

約数ペア:

[(1, 18870888), (2, 9435444), (3, 6290296), (4, 4717722), (6, 3145148), (8, 2358861), (12, 1572574), (24, 786287), (37, 510024), (74, 255012), (79, 238872), (111, 170008), (148, 127506), (158, 119436), (222, 85004), (237, 79624), (269, 70152), (296, 63753), (316, 59718), (444, 42502), (474, 39812), (538, 35076), (632, 29859), (807, 23384), (888, 21251), (948, 19906), (1076, 17538), (1614, 11692), (1896, 9953), (2152, 8769), (2923, 6456), (3228, 5846)]