18677421

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10223}}^1$

素因数の和:10265

約数の個数: 24

約数和(自身を含む): 31898880

約数和(自身を除く): 13221459

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10223, 30669, 71561, 92007, 214683, 296467, 644049, 889401, 2075269, 2668203, 6225807, 18677421]

約数ペア:

[(1, 18677421), (3, 6225807), (7, 2668203), (9, 2075269), (21, 889401), (29, 644049), (63, 296467), (87, 214683), (203, 92007), (261, 71561), (609, 30669), (1827, 10223)]