18380054889

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{368833}}^1$

素因数の和:368966

約数の個数: 36

約数和(自身を含む): 31156883316

約数和(自身を除く): 12776828427

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 791, 1017, 2373, 5537, 7119, 16611, 49833, 368833, 1106499, 2581831, 3319497, 7745493, 18072817, 23236479, 41678129, 54218451, 125034387, 162655353, 291746903, 375103161, 875240709, 2042228321, 2625722127, 6126684963, 18380054889]

約数ペア:

[(1, 18380054889), (3, 6126684963), (7, 2625722127), (9, 2042228321), (21, 875240709), (49, 375103161), (63, 291746903), (113, 162655353), (147, 125034387), (339, 54218451), (441, 41678129), (791, 23236479), (1017, 18072817), (2373, 7745493), (5537, 3319497), (7119, 2581831), (16611, 1106499), (49833, 368833)]