19860950

素因数分解:

$2^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{809}}^1$

素因数の和:1312

約数の個数: 24

約数和(自身を含む): 37062360

約数和(自身を除く): 17201410

約数列:

[1, 2, 5, 10, 25, 50, 491, 809, 982, 1618, 2455, 4045, 4910, 8090, 12275, 20225, 24550, 40450, 397219, 794438, 1986095, 3972190, 9930475, 19860950]

約数ペア:

[(1, 19860950), (2, 9930475), (5, 3972190), (10, 1986095), (25, 794438), (50, 397219), (491, 40450), (809, 24550), (982, 20225), (1618, 12275), (2455, 8090), (4045, 4910)]