18982216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11353}}^1$

素因数の和:11389

約数の個数: 32

約数和(自身を含む): 40874400

約数和(自身を除く): 21892184

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11353, 22706, 45412, 90824, 124883, 215707, 249766, 431414, 499532, 862828, 999064, 1725656, 2372777, 4745554, 9491108, 18982216]

約数ペア:

[(1, 18982216), (2, 9491108), (4, 4745554), (8, 2372777), (11, 1725656), (19, 999064), (22, 862828), (38, 499532), (44, 431414), (76, 249766), (88, 215707), (152, 124883), (209, 90824), (418, 45412), (836, 22706), (1672, 11353)]