2019913578

素因数分解:

$2^1\times 3^3\times {\mathrm{1997}}^1\times {\mathrm{18731}}^1$

素因数の和:20739

約数の個数: 32

約数和(自身を含む): 4491184320

約数和(自身を除く): 2471270742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1997, 3994, 5991, 11982, 17973, 18731, 35946, 37462, 53919, 56193, 107838, 112386, 168579, 337158, 505737, 1011474, 37405807, 74811614, 112217421, 224434842, 336652263, 673304526, 1009956789, 2019913578]

約数ペア:

[(1, 2019913578), (2, 1009956789), (3, 673304526), (6, 336652263), (9, 224434842), (18, 112217421), (27, 74811614), (54, 37405807), (1997, 1011474), (3994, 505737), (5991, 337158), (11982, 168579), (17973, 112386), (18731, 107838), (35946, 56193), (37462, 53919)]