19909820584

素因数分解:

$2^3\times {\mathrm{31729}}^1\times {\mathrm{78437}}^1$

素因数の和:110172

約数の個数: 16

約数和(自身を含む): 37332566100

約数和(自身を除く): 17422745516

約数列:

[1, 2, 4, 8, 31729, 63458, 78437, 126916, 156874, 253832, 313748, 627496, 2488727573, 4977455146, 9954910292, 19909820584]

約数ペア:

[(1, 19909820584), (2, 9954910292), (4, 4977455146), (8, 2488727573), (31729, 627496), (63458, 313748), (78437, 253832), (126916, 156874)]