19928733232

素因数分解:

$2^4\times {\mathrm{1637}}^1\times {\mathrm{760871}}^1$

素因数の和:762516

約数の個数: 20

約数和(自身を含む): 38635558416

約数和(自身を除く): 18706825184

約数列:

[1, 2, 4, 8, 16, 1637, 3274, 6548, 13096, 26192, 760871, 1521742, 3043484, 6086968, 12173936, 1245545827, 2491091654, 4982183308, 9964366616, 19928733232]

約数ペア:

[(1, 19928733232), (2, 9964366616), (4, 4982183308), (8, 2491091654), (16, 1245545827), (1637, 12173936), (3274, 6086968), (6548, 3043484), (13096, 1521742), (26192, 760871)]