19574425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 27162324

約数和(自身を除く): 7587899

約数列:

[1, 5, 13, 25, 41, 65, 113, 169, 205, 325, 533, 565, 845, 1025, 1469, 2665, 2825, 4225, 4633, 6929, 7345, 13325, 19097, 23165, 34645, 36725, 60229, 95485, 115825, 173225, 301145, 477425, 782977, 1505725, 3914885, 19574425]

約数ペア:

[(1, 19574425), (5, 3914885), (13, 1505725), (25, 782977), (41, 477425), (65, 301145), (113, 173225), (169, 115825), (205, 95485), (325, 60229), (533, 36725), (565, 34645), (845, 23165), (1025, 19097), (1469, 13325), (2665, 7345), (2825, 6929), (4225, 4633)]