19806808

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5279}}^1$

素因数の和:5359

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 23277992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5279, 10558, 21116, 36953, 42232, 73906, 147812, 295624, 353693, 707386, 1414772, 2475851, 2829544, 4951702, 9903404, 19806808]

約数ペア:

[(1, 19806808), (2, 9903404), (4, 4951702), (7, 2829544), (8, 2475851), (14, 1414772), (28, 707386), (56, 353693), (67, 295624), (134, 147812), (268, 73906), (469, 42232), (536, 36953), (938, 21116), (1876, 10558), (3752, 5279)]