18278672

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 60

約数和(自身を含む): 38829360

約数和(自身を除く): 20550688

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 67, 68, 118, 134, 136, 236, 268, 272, 289, 472, 536, 578, 944, 1003, 1072, 1139, 1156, 2006, 2278, 2312, 3953, 4012, 4556, 4624, 7906, 8024, 9112, 15812, 16048, 17051, 18224, 19363, 31624, 34102, 38726, 63248, 67201, 68204, 77452, 134402, 136408, 154904, 268804, 272816, 309808, 537608, 1075216, 1142417, 2284834, 4569668, 9139336, 18278672]

約数ペア:

[(1, 18278672), (2, 9139336), (4, 4569668), (8, 2284834), (16, 1142417), (17, 1075216), (34, 537608), (59, 309808), (67, 272816), (68, 268804), (118, 154904), (134, 136408), (136, 134402), (236, 77452), (268, 68204), (272, 67201), (289, 63248), (472, 38726), (536, 34102), (578, 31624), (944, 19363), (1003, 18224), (1072, 17051), (1139, 16048), (1156, 15812), (2006, 9112), (2278, 8024), (2312, 7906), (3953, 4624), (4012, 4556)]