19772675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 26758704

約数和(自身を除く): 6986029

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 733, 1079, 2075, 3665, 5395, 9529, 18325, 26975, 47645, 60839, 238225, 304195, 790907, 1520975, 3954535, 19772675]

約数ペア:

[(1, 19772675), (5, 3954535), (13, 1520975), (25, 790907), (65, 304195), (83, 238225), (325, 60839), (415, 47645), (733, 26975), (1079, 18325), (2075, 9529), (3665, 5395)]