18969005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1787}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 24974784

約数和(自身を除く): 6005779

約数列:

[1, 5, 11, 55, 193, 965, 1787, 2123, 8935, 10615, 19657, 98285, 344891, 1724455, 3793801, 18969005]

約数ペア:

[(1, 18969005), (5, 3793801), (11, 1724455), (55, 344891), (193, 98285), (965, 19657), (1787, 10615), (2123, 8935)]