18990633

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1579}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 26796800

約数和(自身を除く): 7806167

約数列:

[1, 3, 19, 57, 211, 633, 1579, 4009, 4737, 12027, 30001, 90003, 333169, 999507, 6330211, 18990633]

約数ペア:

[(1, 18990633), (3, 6330211), (19, 999507), (57, 333169), (211, 90003), (633, 30001), (1579, 12027), (4009, 4737)]