18912196

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{77509}}^1$

素因数の和:77574

約数の個数: 12

約数和(自身を含む): 33639340

約数和(自身を除く): 14727144

約数列:

[1, 2, 4, 61, 122, 244, 77509, 155018, 310036, 4728049, 9456098, 18912196]

約数ペア:

[(1, 18912196), (2, 9456098), (4, 4728049), (61, 310036), (122, 155018), (244, 77509)]