19957712

素因数分解:

$2^4\times {\mathrm{467}}^1\times {\mathrm{2671}}^1$

素因数の和:3146

約数の個数: 20

約数和(自身を含む): 38765376

約数和(自身を除く): 18807664

約数列:

[1, 2, 4, 8, 16, 467, 934, 1868, 2671, 3736, 5342, 7472, 10684, 21368, 42736, 1247357, 2494714, 4989428, 9978856, 19957712]

約数ペア:

[(1, 19957712), (2, 9978856), (4, 4989428), (8, 2494714), (16, 1247357), (467, 42736), (934, 21368), (1868, 10684), (2671, 7472), (3736, 5342)]