20040221519

素因数分解:

${\mathrm{19}}^3\times {\mathrm{149}}^1\times {\mathrm{19609}}^1$

素因数の和:19815

約数の個数: 16

約数和(自身を含む): 21296460000

約数和(自身を除く): 1256238481

約数列:

[1, 19, 149, 361, 2831, 6859, 19609, 53789, 372571, 1021991, 2921741, 7078849, 55513079, 134498131, 1054748501, 20040221519]

約数ペア:

[(1, 20040221519), (19, 1054748501), (149, 134498131), (361, 55513079), (2831, 7078849), (6859, 2921741), (19609, 1021991), (53789, 372571)]