18447945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 30858240

約数和(自身を除く): 12410295

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 291, 409, 465, 485, 1227, 1455, 2045, 3007, 6135, 9021, 12679, 15035, 38037, 39673, 45105, 63395, 119019, 190185, 198365, 595095, 1229863, 3689589, 6149315, 18447945]

約数ペア:

[(1, 18447945), (3, 6149315), (5, 3689589), (15, 1229863), (31, 595095), (93, 198365), (97, 190185), (155, 119019), (291, 63395), (409, 45105), (465, 39673), (485, 38037), (1227, 15035), (1455, 12679), (2045, 9021), (3007, 6135)]