18781212

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{1861}}^1$

素因数の和:1926

約数の個数: 36

約数和(自身を含む): 45410456

約数和(自身を除く): 26629244

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 841, 1682, 1861, 2523, 3364, 3722, 5046, 5583, 7444, 10092, 11166, 22332, 53969, 107938, 161907, 215876, 323814, 647628, 1565101, 3130202, 4695303, 6260404, 9390606, 18781212]

約数ペア:

[(1, 18781212), (2, 9390606), (3, 6260404), (4, 4695303), (6, 3130202), (12, 1565101), (29, 647628), (58, 323814), (87, 215876), (116, 161907), (174, 107938), (348, 53969), (841, 22332), (1682, 11166), (1861, 10092), (2523, 7444), (3364, 5583), (3722, 5046)]