19716446480

素因数分解:

$2^4\times 5^1\times {\mathrm{246455581}}^1$

素因数の和:246455594

約数の個数: 20

約数和(自身を含む): 45840738252

約数和(自身を除く): 26124291772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 246455581, 492911162, 985822324, 1232277905, 1971644648, 2464555810, 3943289296, 4929111620, 9858223240, 19716446480]

約数ペア:

[(1, 19716446480), (2, 9858223240), (4, 4929111620), (5, 3943289296), (8, 2464555810), (10, 1971644648), (16, 1232277905), (20, 985822324), (40, 492911162), (80, 246455581)]