18704865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54217}}^1$

素因数の和:54248

約数の個数: 16

約数和(自身を含む): 31229568

約数和(自身を除く): 12524703

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54217, 162651, 271085, 813255, 1246991, 3740973, 6234955, 18704865]

約数ペア:

[(1, 18704865), (3, 6234955), (5, 3740973), (15, 1246991), (23, 813255), (69, 271085), (115, 162651), (345, 54217)]