18308366920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{340811}}^1$

素因数の和:340918

約数の個数: 64

約数和(自身を含む): 44169235200

約数和(自身を除く): 25860868280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2686, 3160, 5372, 6715, 10744, 13430, 26860, 53720, 340811, 681622, 1363244, 1704055, 2726488, 3408110, 5793787, 6816220, 11587574, 13632440, 23175148, 26924069, 28968935, 46350296, 53848138, 57937870, 107696276, 115875740, 134620345, 215392552, 231751480, 269240690, 457709173, 538481380, 915418346, 1076962760, 1830836692, 2288545865, 3661673384, 4577091730, 9154183460, 18308366920]

約数ペア:

[(1, 18308366920), (2, 9154183460), (4, 4577091730), (5, 3661673384), (8, 2288545865), (10, 1830836692), (17, 1076962760), (20, 915418346), (34, 538481380), (40, 457709173), (68, 269240690), (79, 231751480), (85, 215392552), (136, 134620345), (158, 115875740), (170, 107696276), (316, 57937870), (340, 53848138), (395, 46350296), (632, 28968935), (680, 26924069), (790, 23175148), (1343, 13632440), (1580, 11587574), (2686, 6816220), (3160, 5793787), (5372, 3408110), (6715, 2726488), (10744, 1704055), (13430, 1363244), (26860, 681622), (53720, 340811)]