19778506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47317}}^1$

素因数の和:47349

約数の個数: 16

約数和(自身を含む): 34068960

約数和(自身を除く): 14290454

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47317, 94634, 520487, 899023, 1040974, 1798046, 9889253, 19778506]

約数ペア:

[(1, 19778506), (2, 9889253), (11, 1798046), (19, 1040974), (22, 899023), (38, 520487), (209, 94634), (418, 47317)]