1918719376

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{280843}}^1$

素因数の和:280919

約数の個数: 40

約数和(自身を含む): 4318257344

約数和(自身を除く): 2399537968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 280843, 561686, 1123372, 1965901, 2246744, 3931802, 4493488, 7863604, 15727208, 17131423, 31454416, 34262846, 68525692, 119919961, 137051384, 239839922, 274102768, 479679844, 959359688, 1918719376]

約数ペア:

[(1, 1918719376), (2, 959359688), (4, 479679844), (7, 274102768), (8, 239839922), (14, 137051384), (16, 119919961), (28, 68525692), (56, 34262846), (61, 31454416), (112, 17131423), (122, 15727208), (244, 7863604), (427, 4493488), (488, 3931802), (854, 2246744), (976, 1965901), (1708, 1123372), (3416, 561686), (6832, 280843)]