19299995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26993}}^1$

素因数の和:27022

約数の個数: 16

約数和(自身を含む): 27209952

約数和(自身を除く): 7909957

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 26993, 134965, 296923, 350909, 1484615, 1754545, 3859999, 19299995]

約数ペア:

[(1, 19299995), (5, 3859999), (11, 1754545), (13, 1484615), (55, 350909), (65, 296923), (143, 134965), (715, 26993)]