18910299863

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{16231}}^1$

素因数の和:16348

約数の個数: 48

約数和(自身を含む): 24870021120

約数和(自身を除く): 5959721257

約数列:

[1, 7, 13, 31, 49, 59, 91, 217, 403, 413, 637, 767, 1519, 1829, 2821, 2891, 5369, 12803, 16231, 19747, 23777, 37583, 89621, 113617, 166439, 211003, 503161, 795319, 957629, 1165073, 1477021, 3522127, 6541093, 6703403, 10339147, 12449177, 24654889, 29686499, 45787651, 46923821, 87144239, 207805493, 320513557, 385924487, 610009673, 1454638451, 2701471409, 18910299863]

約数ペア:

[(1, 18910299863), (7, 2701471409), (13, 1454638451), (31, 610009673), (49, 385924487), (59, 320513557), (91, 207805493), (217, 87144239), (403, 46923821), (413, 45787651), (637, 29686499), (767, 24654889), (1519, 12449177), (1829, 10339147), (2821, 6703403), (2891, 6541093), (5369, 3522127), (12803, 1477021), (16231, 1165073), (19747, 957629), (23777, 795319), (37583, 503161), (89621, 211003), (113617, 166439)]