19708367

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23055360

約数和(自身を除く): 3346993

約数列:

[1, 7, 79, 157, 227, 553, 1099, 1589, 12403, 17933, 35639, 86821, 125531, 249473, 2815481, 19708367]

約数ペア:

[(1, 19708367), (7, 2815481), (79, 249473), (157, 125531), (227, 86821), (553, 35639), (1099, 17933), (1589, 12403)]