18967728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 53434080

約数和(自身を除く): 34466352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 113, 156, 208, 226, 269, 312, 339, 452, 538, 624, 678, 807, 904, 1076, 1356, 1469, 1614, 1808, 2152, 2712, 2938, 3228, 3497, 4304, 4407, 5424, 5876, 6456, 6994, 8814, 10491, 11752, 12912, 13988, 17628, 20982, 23504, 27976, 30397, 35256, 41964, 55952, 60794, 70512, 83928, 91191, 121588, 167856, 182382, 243176, 364764, 395161, 486352, 729528, 790322, 1185483, 1459056, 1580644, 2370966, 3161288, 4741932, 6322576, 9483864, 18967728]

約数ペア:

[(1, 18967728), (2, 9483864), (3, 6322576), (4, 4741932), (6, 3161288), (8, 2370966), (12, 1580644), (13, 1459056), (16, 1185483), (24, 790322), (26, 729528), (39, 486352), (48, 395161), (52, 364764), (78, 243176), (104, 182382), (113, 167856), (156, 121588), (208, 91191), (226, 83928), (269, 70512), (312, 60794), (339, 55952), (452, 41964), (538, 35256), (624, 30397), (678, 27976), (807, 23504), (904, 20982), (1076, 17628), (1356, 13988), (1469, 12912), (1614, 11752), (1808, 10491), (2152, 8814), (2712, 6994), (2938, 6456), (3228, 5876), (3497, 5424), (4304, 4407)]