18872646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 22108602

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 1847, 3406, 3694, 5109, 5541, 10218, 11082, 24011, 48022, 72033, 144066, 241957, 483914, 725871, 1451742, 3145441, 6290882, 9436323, 18872646]

約数ペア:

[(1, 18872646), (2, 9436323), (3, 6290882), (6, 3145441), (13, 1451742), (26, 725871), (39, 483914), (78, 241957), (131, 144066), (262, 72033), (393, 48022), (786, 24011), (1703, 11082), (1847, 10218), (3406, 5541), (3694, 5109)]