19800411

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 26906880

約数和(自身を除く): 7106469

約数列:

[1, 3, 103, 139, 309, 417, 461, 1383, 14317, 42951, 47483, 64079, 142449, 192237, 6600137, 19800411]

約数ペア:

[(1, 19800411), (3, 6600137), (103, 192237), (139, 142449), (309, 64079), (417, 47483), (461, 42951), (1383, 14317)]