18133540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 21347804

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 191, 202, 235, 382, 404, 470, 505, 764, 940, 955, 1010, 1910, 2020, 3820, 4747, 8977, 9494, 17954, 18988, 19291, 23735, 35908, 38582, 44885, 47470, 77164, 89770, 94940, 96455, 179540, 192910, 385820, 906677, 1813354, 3626708, 4533385, 9066770, 18133540]

約数ペア:

[(1, 18133540), (2, 9066770), (4, 4533385), (5, 3626708), (10, 1813354), (20, 906677), (47, 385820), (94, 192910), (101, 179540), (188, 96455), (191, 94940), (202, 89770), (235, 77164), (382, 47470), (404, 44885), (470, 38582), (505, 35908), (764, 23735), (940, 19291), (955, 18988), (1010, 17954), (1910, 9494), (2020, 8977), (3820, 4747)]