19197225

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2138

約数の個数: 36

約数和(自身を含む): 35239932

約数和(自身を除く): 16042707

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 2081, 3075, 6243, 9225, 10405, 18729, 31215, 52025, 85321, 93645, 156075, 255963, 426605, 468225, 767889, 1279815, 2133025, 3839445, 6399075, 19197225]

約数ペア:

[(1, 19197225), (3, 6399075), (5, 3839445), (9, 2133025), (15, 1279815), (25, 767889), (41, 468225), (45, 426605), (75, 255963), (123, 156075), (205, 93645), (225, 85321), (369, 52025), (615, 31215), (1025, 18729), (1845, 10405), (2081, 9225), (3075, 6243)]