18661395

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54091}}^1$

素因数の和:54122

約数の個数: 16

約数和(自身を含む): 31156992

約数和(自身を除く): 12495597

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54091, 162273, 270455, 811365, 1244093, 3732279, 6220465, 18661395]

約数ペア:

[(1, 18661395), (3, 6220465), (5, 3732279), (15, 1244093), (23, 811365), (69, 270455), (115, 162273), (345, 54091)]