18105808

素因数分解:

$2^4\times 7^1\times {\mathrm{161659}}^1$

素因数の和:161674

約数の個数: 20

約数和(自身を含む): 40091680

約数和(自身を除く): 21985872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161659, 323318, 646636, 1131613, 1293272, 2263226, 2586544, 4526452, 9052904, 18105808]

約数ペア:

[(1, 18105808), (2, 9052904), (4, 4526452), (7, 2586544), (8, 2263226), (14, 1293272), (16, 1131613), (28, 646636), (56, 323318), (112, 161659)]