18908008

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3343}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 40930560

約数和(自身を除く): 22022552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3343, 5656, 6686, 13372, 23401, 26744, 46802, 93604, 187208, 337643, 675286, 1350572, 2363501, 2701144, 4727002, 9454004, 18908008]

約数ペア:

[(1, 18908008), (2, 9454004), (4, 4727002), (7, 2701144), (8, 2363501), (14, 1350572), (28, 675286), (56, 337643), (101, 187208), (202, 93604), (404, 46802), (707, 26744), (808, 23401), (1414, 13372), (2828, 6686), (3343, 5656)]