18472360

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{883}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 41689440

約数和(自身を除く): 23217080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 883, 1046, 1766, 2092, 2615, 3532, 4184, 4415, 5230, 7064, 8830, 10460, 17660, 20920, 35320, 461809, 923618, 1847236, 2309045, 3694472, 4618090, 9236180, 18472360]

約数ペア:

[(1, 18472360), (2, 9236180), (4, 4618090), (5, 3694472), (8, 2309045), (10, 1847236), (20, 923618), (40, 461809), (523, 35320), (883, 20920), (1046, 17660), (1766, 10460), (2092, 8830), (2615, 7064), (3532, 5230), (4184, 4415)]