18872860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9343}}^1$

素因数の和:9453

約数の個数: 24

約数和(自身を含む): 40029696

約数和(自身を除く): 21156836

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9343, 18686, 37372, 46715, 93430, 186860, 943643, 1887286, 3774572, 4718215, 9436430, 18872860]

約数ペア:

[(1, 18872860), (2, 9436430), (4, 4718215), (5, 3774572), (10, 1887286), (20, 943643), (101, 186860), (202, 93430), (404, 46715), (505, 37372), (1010, 18686), (2020, 9343)]