19812661095

素因数分解:

$3^1\times 5^1\times {\mathrm{27809}}^1\times {\mathrm{47497}}^1$

素因数の和:75314

約数の個数: 16

約数和(自身を含む): 31702065120

約数和(自身を除く): 11889404025

約数列:

[1, 3, 5, 15, 27809, 47497, 83427, 139045, 142491, 237485, 417135, 712455, 1320844073, 3962532219, 6604220365, 19812661095]

約数ペア:

[(1, 19812661095), (3, 6604220365), (5, 3962532219), (15, 1320844073), (27809, 712455), (47497, 417135), (83427, 237485), (139045, 142491)]