19870323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9946

約数の個数: 16

約数和(自身を含む): 29379072

約数和(自身を除く): 9508749

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 9871, 29613, 108581, 325743, 602131, 1806393, 6623441, 19870323]

約数ペア:

[(1, 19870323), (3, 6623441), (11, 1806393), (33, 602131), (61, 325743), (183, 108581), (671, 29613), (2013, 9871)]