18951860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9769}}^1$

素因数の和:9875

約数の個数: 24

約数和(自身を含む): 40213320

約数和(自身を除く): 21261460

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9769, 19538, 39076, 48845, 97690, 195380, 947593, 1895186, 3790372, 4737965, 9475930, 18951860]

約数ペア:

[(1, 18951860), (2, 9475930), (4, 4737965), (5, 3790372), (10, 1895186), (20, 947593), (97, 195380), (194, 97690), (388, 48845), (485, 39076), (970, 19538), (1940, 9769)]