19104605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 25930368

約数和(自身を除く): 6825763

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 983, 1495, 3887, 4915, 12779, 19435, 22609, 63895, 113045, 166127, 293917, 830635, 1469585, 3820921, 19104605]

約数ペア:

[(1, 19104605), (5, 3820921), (13, 1469585), (23, 830635), (65, 293917), (115, 166127), (169, 113045), (299, 63895), (845, 22609), (983, 19435), (1495, 12779), (3887, 4915)]