19883156

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 35586600

約数和(自身を除く): 15703444

約数列:

[1, 2, 4, 73, 146, 149, 292, 298, 457, 596, 914, 1828, 10877, 21754, 33361, 43508, 66722, 68093, 133444, 136186, 272372, 4970789, 9941578, 19883156]

約数ペア:

[(1, 19883156), (2, 9941578), (4, 4970789), (73, 272372), (146, 136186), (149, 133444), (292, 68093), (298, 66722), (457, 43508), (596, 33361), (914, 21754), (1828, 10877)]