19728064

素因数分解:

$2^6\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1760

約数の個数: 28

約数和(自身を含む): 39370000

約数和(自身を除く): 19641936

約数列:

[1, 2, 4, 8, 16, 32, 64, 199, 398, 796, 1549, 1592, 3098, 3184, 6196, 6368, 12392, 12736, 24784, 49568, 99136, 308251, 616502, 1233004, 2466008, 4932016, 9864032, 19728064]

約数ペア:

[(1, 19728064), (2, 9864032), (4, 4932016), (8, 2466008), (16, 1233004), (32, 616502), (64, 308251), (199, 99136), (398, 49568), (796, 24784), (1549, 12736), (1592, 12392), (3098, 6368), (3184, 6196)]