18636760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27407}}^1$

素因数の和:27435

約数の個数: 32

約数和(自身を含む): 44400960

約数和(自身を除く): 25764200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27407, 54814, 109628, 137035, 219256, 274070, 465919, 548140, 931838, 1096280, 1863676, 2329595, 3727352, 4659190, 9318380, 18636760]

約数ペア:

[(1, 18636760), (2, 9318380), (4, 4659190), (5, 3727352), (8, 2329595), (10, 1863676), (17, 1096280), (20, 931838), (34, 548140), (40, 465919), (68, 274070), (85, 219256), (136, 137035), (170, 109628), (340, 54814), (680, 27407)]