19492123

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 3363557

約数列:

[1, 7, 61, 191, 239, 427, 1337, 1673, 11651, 14579, 45649, 81557, 102053, 319543, 2784589, 19492123]

約数ペア:

[(1, 19492123), (7, 2784589), (61, 319543), (191, 102053), (239, 81557), (427, 45649), (1337, 14579), (1673, 11651)]