18619551920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{877}}^1$

素因数の和:1207

約数の個数: 160

約数和(自身を含む): 46774024128

約数和(自身を除く): 28154472208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 233, 268, 272, 335, 340, 466, 536, 670, 680, 877, 932, 1072, 1139, 1165, 1340, 1360, 1754, 1864, 2278, 2330, 2680, 3508, 3728, 3961, 4385, 4556, 4660, 5360, 5695, 7016, 7922, 8770, 9112, 9320, 11390, 14032, 14909, 15611, 15844, 17540, 18224, 18640, 19805, 22780, 29818, 31222, 31688, 35080, 39610, 45560, 58759, 59636, 62444, 63376, 70160, 74545, 78055, 79220, 91120, 117518, 119272, 124888, 149090, 156110, 158440, 204341, 235036, 238544, 249776, 265387, 293795, 298180, 312220, 316880, 408682, 470072, 530774, 587590, 596360, 624440, 817364, 940144, 998903, 1021705, 1061548, 1175180, 1192720, 1248880, 1326935, 1634728, 1997806, 2043410, 2123096, 2350360, 2653870, 3269456, 3473797, 3995612, 4086820, 4246192, 4700720, 4994515, 5307740, 6947594, 7991224, 8173640, 9989030, 10615480, 13690847, 13895188, 15982448, 16347280, 17368985, 19978060, 21230960, 27381694, 27790376, 34737970, 39956120, 54763388, 55580752, 68454235, 69475940, 79912240, 109526776, 136908470, 138951880, 219053552, 232744399, 273816940, 277903760, 465488798, 547633880, 930977596, 1095267760, 1163721995, 1861955192, 2327443990, 3723910384, 4654887980, 9309775960, 18619551920]

約数ペア:

[(1, 18619551920), (2, 9309775960), (4, 4654887980), (5, 3723910384), (8, 2327443990), (10, 1861955192), (16, 1163721995), (17, 1095267760), (20, 930977596), (34, 547633880), (40, 465488798), (67, 277903760), (68, 273816940), (80, 232744399), (85, 219053552), (134, 138951880), (136, 136908470), (170, 109526776), (233, 79912240), (268, 69475940), (272, 68454235), (335, 55580752), (340, 54763388), (466, 39956120), (536, 34737970), (670, 27790376), (680, 27381694), (877, 21230960), (932, 19978060), (1072, 17368985), (1139, 16347280), (1165, 15982448), (1340, 13895188), (1360, 13690847), (1754, 10615480), (1864, 9989030), (2278, 8173640), (2330, 7991224), (2680, 6947594), (3508, 5307740), (3728, 4994515), (3961, 4700720), (4385, 4246192), (4556, 4086820), (4660, 3995612), (5360, 3473797), (5695, 3269456), (7016, 2653870), (7922, 2350360), (8770, 2123096), (9112, 2043410), (9320, 1997806), (11390, 1634728), (14032, 1326935), (14909, 1248880), (15611, 1192720), (15844, 1175180), (17540, 1061548), (18224, 1021705), (18640, 998903), (19805, 940144), (22780, 817364), (29818, 624440), (31222, 596360), (31688, 587590), (35080, 530774), (39610, 470072), (45560, 408682), (58759, 316880), (59636, 312220), (62444, 298180), (63376, 293795), (70160, 265387), (74545, 249776), (78055, 238544), (79220, 235036), (91120, 204341), (117518, 158440), (119272, 156110), (124888, 149090)]