19556341

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1429

約数の個数: 18

約数和(自身を含む): 24183618

約数和(自身を除く): 4627277

約数列:

[1, 7, 17, 49, 119, 289, 833, 1381, 2023, 9667, 14161, 23477, 67669, 164339, 399109, 1150373, 2793763, 19556341]

約数ペア:

[(1, 19556341), (7, 2793763), (17, 1150373), (49, 399109), (119, 164339), (289, 67669), (833, 23477), (1381, 14161), (2023, 9667)]