19716125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 28933632

約数和(自身を除く): 9217507

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1103, 1375, 1625, 3575, 5515, 12133, 14339, 17875, 27575, 60665, 71695, 137875, 157729, 303325, 358475, 788645, 1516625, 1792375, 3943225, 19716125]

約数ペア:

[(1, 19716125), (5, 3943225), (11, 1792375), (13, 1516625), (25, 788645), (55, 358475), (65, 303325), (125, 157729), (143, 137875), (275, 71695), (325, 60665), (715, 27575), (1103, 17875), (1375, 14339), (1625, 12133), (3575, 5515)]