19929608

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60761}}^1$

素因数の和:60808

約数の個数: 16

約数和(自身を含む): 38280060

約数和(自身を除く): 18350452

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60761, 121522, 243044, 486088, 2491201, 4982402, 9964804, 19929608]

約数ペア:

[(1, 19929608), (2, 9964804), (4, 4982402), (8, 2491201), (41, 486088), (82, 243044), (164, 121522), (328, 60761)]