18631355

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 22970304

約数和(自身を除く): 4338949

約数列:

[1, 5, 53, 167, 265, 421, 835, 2105, 8851, 22313, 44255, 70307, 111565, 351535, 3726271, 18631355]

約数ペア:

[(1, 18631355), (5, 3726271), (53, 351535), (167, 111565), (265, 70307), (421, 44255), (835, 22313), (2105, 8851)]