18330920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14783}}^1$

素因数の和:14825

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 24247000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14783, 29566, 59132, 73915, 118264, 147830, 295660, 458273, 591320, 916546, 1833092, 2291365, 3666184, 4582730, 9165460, 18330920]

約数ペア:

[(1, 18330920), (2, 9165460), (4, 4582730), (5, 3666184), (8, 2291365), (10, 1833092), (20, 916546), (31, 591320), (40, 458273), (62, 295660), (124, 147830), (155, 118264), (248, 73915), (310, 59132), (620, 29566), (1240, 14783)]