19723185

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1093}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 34303464

約数和(自身を除く): 14580279

約数列:

[1, 3, 5, 9, 15, 45, 401, 1093, 1203, 2005, 3279, 3609, 5465, 6015, 9837, 16395, 18045, 49185, 438293, 1314879, 2191465, 3944637, 6574395, 19723185]

約数ペア:

[(1, 19723185), (3, 6574395), (5, 3944637), (9, 2191465), (15, 1314879), (45, 438293), (401, 49185), (1093, 18045), (1203, 16395), (2005, 9837), (3279, 6015), (3609, 5465)]