18677420

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2017}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 39326784

約数和(自身を除く): 20649364

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2017, 2315, 4034, 4630, 8068, 9260, 10085, 20170, 40340, 933871, 1867742, 3735484, 4669355, 9338710, 18677420]

約数ペア:

[(1, 18677420), (2, 9338710), (4, 4669355), (5, 3735484), (10, 1867742), (20, 933871), (463, 40340), (926, 20170), (1852, 10085), (2017, 9260), (2315, 8068), (4034, 4630)]