18785120

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 26030560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1039, 1130, 1808, 2078, 2260, 3616, 4156, 4520, 5195, 8312, 9040, 10390, 16624, 18080, 20780, 33248, 41560, 83120, 117407, 166240, 234814, 469628, 587035, 939256, 1174070, 1878512, 2348140, 3757024, 4696280, 9392560, 18785120]

約数ペア:

[(1, 18785120), (2, 9392560), (4, 4696280), (5, 3757024), (8, 2348140), (10, 1878512), (16, 1174070), (20, 939256), (32, 587035), (40, 469628), (80, 234814), (113, 166240), (160, 117407), (226, 83120), (452, 41560), (565, 33248), (904, 20780), (1039, 18080), (1130, 16624), (1808, 10390), (2078, 9040), (2260, 8312), (3616, 5195), (4156, 4520)]