18998080

素因数分解:

$2^6\times 5^1\times {\mathrm{59369}}^1$

素因数の和:59386

約数の個数: 28

約数和(自身を含む): 45239940

約数和(自身を除く): 26241860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 59369, 118738, 237476, 296845, 474952, 593690, 949904, 1187380, 1899808, 2374760, 3799616, 4749520, 9499040, 18998080]

約数ペア:

[(1, 18998080), (2, 9499040), (4, 4749520), (5, 3799616), (8, 2374760), (10, 1899808), (16, 1187380), (20, 949904), (32, 593690), (40, 474952), (64, 296845), (80, 237476), (160, 118738), (320, 59369)]