18915528079

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1\times {\mathrm{56171}}^1$

素因数の和:56910

約数の個数: 16

約数和(自身を含む): 21947523840

約数和(自身を除く): 3031995761

約数列:

[1, 7, 73, 511, 659, 4613, 48107, 56171, 336749, 393197, 4100483, 28703381, 37016689, 259116823, 2702218297, 18915528079]

約数ペア:

[(1, 18915528079), (7, 2702218297), (73, 259116823), (511, 37016689), (659, 28703381), (4613, 4100483), (48107, 393197), (56171, 336749)]