1986992645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1871}}^1\times {\mathrm{19309}}^1$

素因数の和:21196

約数の個数: 16

約数和(自身を含む): 2602679040

約数和(自身を除く): 615686395

約数列:

[1, 5, 11, 55, 1871, 9355, 19309, 20581, 96545, 102905, 212399, 1061995, 36127139, 180635695, 397398529, 1986992645]

約数ペア:

[(1, 1986992645), (5, 397398529), (11, 180635695), (55, 36127139), (1871, 1061995), (9355, 212399), (19309, 102905), (20581, 96545)]