18990092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2749}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 36498000

約数和(自身を除く): 17507908

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2749, 3454, 5498, 6908, 10996, 30239, 60478, 120956, 431593, 863186, 1726372, 4747523, 9495046, 18990092]

約数ペア:

[(1, 18990092), (2, 9495046), (4, 4747523), (11, 1726372), (22, 863186), (44, 431593), (157, 120956), (314, 60478), (628, 30239), (1727, 10996), (2749, 6908), (3454, 5498)]