19898245672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130909511}}^1$

素因数の和:130909536

約数の個数: 16

約数和(自身を含む): 39272853600

約数和(自身を除く): 19374607928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130909511, 261819022, 523638044, 1047276088, 2487280709, 4974561418, 9949122836, 19898245672]

約数ペア:

[(1, 19898245672), (2, 9949122836), (4, 4974561418), (8, 2487280709), (19, 1047276088), (38, 523638044), (76, 261819022), (152, 130909511)]