18565606228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{20939}}^1$

素因数の和:21049

約数の個数: 72

約数和(自身を含む): 37800050400

約数和(自身を除く): 19234444172

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 289, 442, 578, 767, 884, 1003, 1156, 1534, 2006, 3068, 3757, 4012, 7514, 13039, 15028, 17051, 20939, 26078, 34102, 41878, 52156, 68204, 83756, 221663, 272207, 355963, 443326, 544414, 711926, 886652, 1088828, 1235401, 1423852, 2470802, 4627519, 4941604, 6051371, 9255038, 12102742, 16060213, 18510076, 21001817, 24205484, 32120426, 42003634, 64240852, 78667823, 84007268, 157335646, 273023621, 314671292, 357030889, 546047242, 714061778, 1092094484, 1428123556, 4641401557, 9282803114, 18565606228]

約数ペア:

[(1, 18565606228), (2, 9282803114), (4, 4641401557), (13, 1428123556), (17, 1092094484), (26, 714061778), (34, 546047242), (52, 357030889), (59, 314671292), (68, 273023621), (118, 157335646), (221, 84007268), (236, 78667823), (289, 64240852), (442, 42003634), (578, 32120426), (767, 24205484), (884, 21001817), (1003, 18510076), (1156, 16060213), (1534, 12102742), (2006, 9255038), (3068, 6051371), (3757, 4941604), (4012, 4627519), (7514, 2470802), (13039, 1423852), (15028, 1235401), (17051, 1088828), (20939, 886652), (26078, 711926), (34102, 544414), (41878, 443326), (52156, 355963), (68204, 272207), (83756, 221663)]