17879620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 41606208

約数和(自身を除く): 23726588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1213, 1340, 1474, 2426, 2948, 3685, 4852, 6065, 7370, 12130, 13343, 14740, 24260, 26686, 53372, 66715, 81271, 133430, 162542, 266860, 325084, 406355, 812710, 893981, 1625420, 1787962, 3575924, 4469905, 8939810, 17879620]

約数ペア:

[(1, 17879620), (2, 8939810), (4, 4469905), (5, 3575924), (10, 1787962), (11, 1625420), (20, 893981), (22, 812710), (44, 406355), (55, 325084), (67, 266860), (110, 162542), (134, 133430), (220, 81271), (268, 66715), (335, 53372), (670, 26686), (737, 24260), (1213, 14740), (1340, 13343), (1474, 12130), (2426, 7370), (2948, 6065), (3685, 4852)]