18918076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{278207}}^1$

素因数の和:278228

約数の個数: 12

約数和(自身を含む): 35054208

約数和(自身を除く): 16136132

約数列:

[1, 2, 4, 17, 34, 68, 278207, 556414, 1112828, 4729519, 9459038, 18918076]

約数ペア:

[(1, 18918076), (2, 9459038), (4, 4729519), (17, 1112828), (34, 556414), (68, 278207)]