18459868

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4957}}^1$

素因数の和:4994

約数の個数: 36

約数和(自身を含む): 39564840

約数和(自身を除く): 21104972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4957, 9914, 19828, 34699, 69398, 94183, 138796, 188366, 242893, 376732, 485786, 659281, 971572, 1318562, 2637124, 4614967, 9229934, 18459868]

約数ペア:

[(1, 18459868), (2, 9229934), (4, 4614967), (7, 2637124), (14, 1318562), (19, 971572), (28, 659281), (38, 485786), (49, 376732), (76, 242893), (98, 188366), (133, 138796), (196, 94183), (266, 69398), (532, 34699), (931, 19828), (1862, 9914), (3724, 4957)]