18218415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{52807}}^1$

素因数の和:52838

約数の個数: 16

約数和(自身を含む): 30417408

約数和(自身を除く): 12198993

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 52807, 158421, 264035, 792105, 1214561, 3643683, 6072805, 18218415]

約数ペア:

[(1, 18218415), (3, 6072805), (5, 3643683), (15, 1214561), (23, 792105), (69, 264035), (115, 158421), (345, 52807)]