19464190

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9781}}^1$

素因数の和:9987

約数の個数: 16

約数和(自身を含む): 35215200

約数和(自身を除く): 15751010

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 9781, 19562, 48905, 97810, 1946419, 3892838, 9732095, 19464190]

約数ペア:

[(1, 19464190), (2, 9732095), (5, 3892838), (10, 1946419), (199, 97810), (398, 48905), (995, 19562), (1990, 9781)]