19974501963

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1374

約数の個数: 128

約数和(自身を含む): 35094528000

約数和(自身を除く): 15120026037

約数列:

[1, 3, 9, 13, 19, 27, 31, 39, 57, 79, 93, 117, 171, 237, 247, 279, 351, 403, 513, 589, 711, 741, 837, 1027, 1209, 1223, 1501, 1767, 2133, 2223, 2449, 3081, 3627, 3669, 4503, 5301, 6669, 7347, 7657, 9243, 10881, 11007, 13509, 15899, 15903, 19513, 22041, 22971, 23237, 27729, 31837, 33021, 37913, 40527, 46531, 47697, 58539, 66123, 68913, 69711, 95511, 96617, 113739, 139593, 143091, 175617, 206739, 209133, 286533, 289851, 302081, 341217, 418779, 429273, 492869, 526851, 604903, 627399, 720347, 859599, 869553, 906243, 1023651, 1256021, 1256337, 1478607, 1814709, 1835723, 2161041, 2608659, 2718729, 2995127, 3768063, 4435821, 5444127, 5507169, 6483123, 8156187, 8985381, 9364511, 11304189, 13307463, 16332381, 16521507, 19449369, 23864399, 26956143, 28093533, 33912567, 38936651, 49564521, 56907413, 71593197, 80868429, 84280599, 116809953, 170722239, 214779591, 252841797, 350429859, 512166717, 644338773, 739796369, 1051289577, 1536500151, 2219389107, 6658167321, 19974501963]

約数ペア:

[(1, 19974501963), (3, 6658167321), (9, 2219389107), (13, 1536500151), (19, 1051289577), (27, 739796369), (31, 644338773), (39, 512166717), (57, 350429859), (79, 252841797), (93, 214779591), (117, 170722239), (171, 116809953), (237, 84280599), (247, 80868429), (279, 71593197), (351, 56907413), (403, 49564521), (513, 38936651), (589, 33912567), (711, 28093533), (741, 26956143), (837, 23864399), (1027, 19449369), (1209, 16521507), (1223, 16332381), (1501, 13307463), (1767, 11304189), (2133, 9364511), (2223, 8985381), (2449, 8156187), (3081, 6483123), (3627, 5507169), (3669, 5444127), (4503, 4435821), (5301, 3768063), (6669, 2995127), (7347, 2718729), (7657, 2608659), (9243, 2161041), (10881, 1835723), (11007, 1814709), (13509, 1478607), (15899, 1256337), (15903, 1256021), (19513, 1023651), (22041, 906243), (22971, 869553), (23237, 859599), (27729, 720347), (31837, 627399), (33021, 604903), (37913, 526851), (40527, 492869), (46531, 429273), (47697, 418779), (58539, 341217), (66123, 302081), (68913, 289851), (69711, 286533), (95511, 209133), (96617, 206739), (113739, 175617), (139593, 143091)]