19709950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30323}}^1$

素因数の和:30348

約数の個数: 24

約数和(自身を含む): 39481848

約数和(自身を除く): 19771898

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30323, 60646, 151615, 303230, 394199, 758075, 788398, 1516150, 1970995, 3941990, 9854975, 19709950]

約数ペア:

[(1, 19709950), (2, 9854975), (5, 3941990), (10, 1970995), (13, 1516150), (25, 788398), (26, 758075), (50, 394199), (65, 303230), (130, 151615), (325, 60646), (650, 30323)]