18388827

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2029}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 28501200

約数和(自身を除く): 10112373

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 2029, 3021, 6087, 9063, 18261, 38551, 107537, 115653, 322611, 346959, 967833, 2043203, 6129609, 18388827]

約数ペア:

[(1, 18388827), (3, 6129609), (9, 2043203), (19, 967833), (53, 346959), (57, 322611), (159, 115653), (171, 107537), (477, 38551), (1007, 18261), (2029, 9063), (3021, 6087)]