18665956

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 34151040

約数和(自身を除く): 15485084

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 2021, 2309, 4042, 4618, 8084, 9236, 99287, 108523, 198574, 217046, 397148, 434092, 4666489, 9332978, 18665956]

約数ペア:

[(1, 18665956), (2, 9332978), (4, 4666489), (43, 434092), (47, 397148), (86, 217046), (94, 198574), (172, 108523), (188, 99287), (2021, 9236), (2309, 8084), (4042, 4618)]