19663695

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 35294400

約数和(自身を除く): 15630705

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1289, 1695, 3051, 3867, 5085, 6445, 11601, 15255, 19335, 34803, 58005, 145657, 174015, 436971, 728285, 1310913, 2184855, 3932739, 6554565, 19663695]

約数ペア:

[(1, 19663695), (3, 6554565), (5, 3932739), (9, 2184855), (15, 1310913), (27, 728285), (45, 436971), (113, 174015), (135, 145657), (339, 58005), (565, 34803), (1017, 19335), (1289, 15255), (1695, 11601), (3051, 6445), (3867, 5085)]