18217860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2687}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 33262716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 2687, 3390, 5374, 6780, 8061, 10748, 13435, 16122, 26870, 32244, 40305, 53740, 80610, 161220, 303631, 607262, 910893, 1214524, 1518155, 1821786, 3036310, 3643572, 4554465, 6072620, 9108930, 18217860]

約数ペア:

[(1, 18217860), (2, 9108930), (3, 6072620), (4, 4554465), (5, 3643572), (6, 3036310), (10, 1821786), (12, 1518155), (15, 1214524), (20, 910893), (30, 607262), (60, 303631), (113, 161220), (226, 80610), (339, 53740), (452, 40305), (565, 32244), (678, 26870), (1130, 16122), (1356, 13435), (1695, 10748), (2260, 8061), (2687, 6780), (3390, 5374)]