18277640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19867}}^1$

素因数の和:19901

約数の個数: 32

約数和(自身を含む): 42914880

約数和(自身を除く): 24637240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19867, 39734, 79468, 99335, 158936, 198670, 397340, 456941, 794680, 913882, 1827764, 2284705, 3655528, 4569410, 9138820, 18277640]

約数ペア:

[(1, 18277640), (2, 9138820), (4, 4569410), (5, 3655528), (8, 2284705), (10, 1827764), (20, 913882), (23, 794680), (40, 456941), (46, 397340), (92, 198670), (115, 158936), (184, 99335), (230, 79468), (460, 39734), (920, 19867)]