18798440

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2017}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 42499080

約数和(自身を除く): 23700640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2017, 2330, 4034, 4660, 8068, 9320, 10085, 16136, 20170, 40340, 80680, 469961, 939922, 1879844, 2349805, 3759688, 4699610, 9399220, 18798440]

約数ペア:

[(1, 18798440), (2, 9399220), (4, 4699610), (5, 3759688), (8, 2349805), (10, 1879844), (20, 939922), (40, 469961), (233, 80680), (466, 40340), (932, 20170), (1165, 16136), (1864, 10085), (2017, 9320), (2330, 8068), (4034, 4660)]