19090175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 25727520

約数和(自身を除く): 6637345

約数列:

[1, 5, 13, 25, 65, 151, 325, 389, 755, 1945, 1963, 3775, 5057, 9725, 9815, 25285, 49075, 58739, 126425, 293695, 763607, 1468475, 3818035, 19090175]

約数ペア:

[(1, 19090175), (5, 3818035), (13, 1468475), (25, 763607), (65, 293695), (151, 126425), (325, 58739), (389, 49075), (755, 25285), (1945, 9815), (1963, 9725), (3775, 5057)]