18916455

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13001}}^1$

素因数の和:13106

約数の個数: 16

約数和(自身を含む): 30580704

約数和(自身を除く): 11664249

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 13001, 39003, 65005, 195015, 1261097, 3783291, 6305485, 18916455]

約数ペア:

[(1, 18916455), (3, 6305485), (5, 3783291), (15, 1261097), (97, 195015), (291, 65005), (485, 39003), (1455, 13001)]