18490172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 33341616

約数和(自身を除く): 14851444

約数列:

[1, 2, 4, 43, 86, 172, 193, 386, 557, 772, 1114, 2228, 8299, 16598, 23951, 33196, 47902, 95804, 107501, 215002, 430004, 4622543, 9245086, 18490172]

約数ペア:

[(1, 18490172), (2, 9245086), (4, 4622543), (43, 430004), (86, 215002), (172, 107501), (193, 95804), (386, 47902), (557, 33196), (772, 23951), (1114, 16598), (2228, 8299)]