18103840

素因数分解:

$2^5\times 5^1\times {\mathrm{113149}}^1$

素因数の和:113164

約数の個数: 24

約数和(自身を含む): 42770700

約数和(自身を除く): 24666860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113149, 226298, 452596, 565745, 905192, 1131490, 1810384, 2262980, 3620768, 4525960, 9051920, 18103840]

約数ペア:

[(1, 18103840), (2, 9051920), (4, 4525960), (5, 3620768), (8, 2262980), (10, 1810384), (16, 1131490), (20, 905192), (32, 565745), (40, 452596), (80, 226298), (160, 113149)]