18164643

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4261}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 29152080

約数和(自身を除く): 10987437

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4261, 4263, 12783, 29827, 89481, 123569, 208789, 370707, 626367, 864983, 2594949, 6054881, 18164643]

約数ペア:

[(1, 18164643), (3, 6054881), (7, 2594949), (21, 864983), (29, 626367), (49, 370707), (87, 208789), (147, 123569), (203, 89481), (609, 29827), (1421, 12783), (4261, 4263)]