18874010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30941}}^1$

素因数の和:31009

約数の個数: 16

約数和(自身を含む): 34531272

約数和(自身を除く): 15657262

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30941, 61882, 154705, 309410, 1887401, 3774802, 9437005, 18874010]

約数ペア:

[(1, 18874010), (2, 9437005), (5, 3774802), (10, 1887401), (61, 309410), (122, 154705), (305, 61882), (610, 30941)]