18879812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23251}}^1$

素因数の和:23291

約数の個数: 24

約数和(自身を含む): 39063360

約数和(自身を除く): 20183548

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 23251, 46502, 93004, 162757, 325514, 651028, 674279, 1348558, 2697116, 4719953, 9439906, 18879812]

約数ペア:

[(1, 18879812), (2, 9439906), (4, 4719953), (7, 2697116), (14, 1348558), (28, 674279), (29, 651028), (58, 325514), (116, 162757), (203, 93004), (406, 46502), (812, 23251)]