18841212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 51856896

約数和(自身を除く): 33015684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 317, 381, 468, 508, 634, 762, 951, 1143, 1268, 1524, 1651, 1902, 2286, 2853, 3302, 3804, 4121, 4572, 4953, 5706, 6604, 8242, 9906, 11412, 12363, 14859, 16484, 19812, 24726, 29718, 37089, 40259, 49452, 59436, 74178, 80518, 120777, 148356, 161036, 241554, 362331, 483108, 523367, 724662, 1046734, 1449324, 1570101, 2093468, 3140202, 4710303, 6280404, 9420606, 18841212]

約数ペア:

[(1, 18841212), (2, 9420606), (3, 6280404), (4, 4710303), (6, 3140202), (9, 2093468), (12, 1570101), (13, 1449324), (18, 1046734), (26, 724662), (36, 523367), (39, 483108), (52, 362331), (78, 241554), (117, 161036), (127, 148356), (156, 120777), (234, 80518), (254, 74178), (317, 59436), (381, 49452), (468, 40259), (508, 37089), (634, 29718), (762, 24726), (951, 19812), (1143, 16484), (1268, 14859), (1524, 12363), (1651, 11412), (1902, 9906), (2286, 8242), (2853, 6604), (3302, 5706), (3804, 4953), (4121, 4572)]