18864612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 51872184

約数和(自身を除く): 33007572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 233, 234, 346, 466, 468, 519, 692, 699, 932, 1038, 1398, 1557, 2076, 2097, 2249, 2796, 3029, 3114, 4194, 4498, 6058, 6228, 6747, 8388, 8996, 9087, 12116, 13494, 18174, 20241, 26988, 27261, 36348, 40309, 40482, 54522, 80618, 80964, 109044, 120927, 161236, 241854, 362781, 483708, 524017, 725562, 1048034, 1451124, 1572051, 2096068, 3144102, 4716153, 6288204, 9432306, 18864612]

約数ペア:

[(1, 18864612), (2, 9432306), (3, 6288204), (4, 4716153), (6, 3144102), (9, 2096068), (12, 1572051), (13, 1451124), (18, 1048034), (26, 725562), (36, 524017), (39, 483708), (52, 362781), (78, 241854), (117, 161236), (156, 120927), (173, 109044), (233, 80964), (234, 80618), (346, 54522), (466, 40482), (468, 40309), (519, 36348), (692, 27261), (699, 26988), (932, 20241), (1038, 18174), (1398, 13494), (1557, 12116), (2076, 9087), (2097, 8996), (2249, 8388), (2796, 6747), (3029, 6228), (3114, 6058), (4194, 4498)]