2018784789

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{187393}}^1$

素因数の和:187431

約数の個数: 40

約数和(自身を含む): 3627947840

約数和(自身を除く): 1609163051

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 187393, 562179, 1311751, 1686537, 3560467, 3935253, 5059611, 10681401, 11805759, 15178833, 24923269, 32044203, 35417277, 74769807, 96132609, 106251831, 224309421, 288397827, 672928263, 2018784789]

約数ペア:

[(1, 2018784789), (3, 672928263), (7, 288397827), (9, 224309421), (19, 106251831), (21, 96132609), (27, 74769807), (57, 35417277), (63, 32044203), (81, 24923269), (133, 15178833), (171, 11805759), (189, 10681401), (399, 5059611), (513, 3935253), (567, 3560467), (1197, 1686537), (1539, 1311751), (3591, 562179), (10773, 187393)]