18382965

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 30627072

約数和(自身を除く): 12244107

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 421, 615, 1065, 1263, 2105, 2911, 6315, 8733, 14555, 17261, 29891, 43665, 51783, 86305, 89673, 149455, 258915, 448365, 1225531, 3676593, 6127655, 18382965]

約数ペア:

[(1, 18382965), (3, 6127655), (5, 3676593), (15, 1225531), (41, 448365), (71, 258915), (123, 149455), (205, 89673), (213, 86305), (355, 51783), (421, 43665), (615, 29891), (1065, 17261), (1263, 14555), (2105, 8733), (2911, 6315)]