18432560

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2039}}^1$

素因数の和:2165

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 24823600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2039, 2260, 4078, 4520, 8156, 9040, 10195, 16312, 20390, 32624, 40780, 81560, 163120, 230407, 460814, 921628, 1152035, 1843256, 2304070, 3686512, 4608140, 9216280, 18432560]

約数ペア:

[(1, 18432560), (2, 9216280), (4, 4608140), (5, 3686512), (8, 2304070), (10, 1843256), (16, 1152035), (20, 921628), (40, 460814), (80, 230407), (113, 163120), (226, 81560), (452, 40780), (565, 32624), (904, 20390), (1130, 16312), (1808, 10195), (2039, 9040), (2260, 8156), (4078, 4520)]