19518444996

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{289987}}^1$

素因数の和:290144

約数の個数: 48

約数和(自身を含む): 46769264640

約数和(自身を除く): 27250819644

約数列:

[1, 2, 3, 4, 6, 12, 71, 79, 142, 158, 213, 237, 284, 316, 426, 474, 852, 948, 5609, 11218, 16827, 22436, 33654, 67308, 289987, 579974, 869961, 1159948, 1739922, 3479844, 20589077, 22908973, 41178154, 45817946, 61767231, 68726919, 82356308, 91635892, 123534462, 137453838, 247068924, 274907676, 1626537083, 3253074166, 4879611249, 6506148332, 9759222498, 19518444996]

約数ペア:

[(1, 19518444996), (2, 9759222498), (3, 6506148332), (4, 4879611249), (6, 3253074166), (12, 1626537083), (71, 274907676), (79, 247068924), (142, 137453838), (158, 123534462), (213, 91635892), (237, 82356308), (284, 68726919), (316, 61767231), (426, 45817946), (474, 41178154), (852, 22908973), (948, 20589077), (5609, 3479844), (11218, 1739922), (16827, 1159948), (22436, 869961), (33654, 579974), (67308, 289987)]