18808212885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{3137}}^1$

素因数の和:3371

約数の個数: 128

約数和(自身を含む): 39041740800

約数和(自身を除く): 20233527915

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 179, 203, 231, 319, 385, 435, 537, 609, 895, 957, 1015, 1155, 1253, 1595, 1969, 2233, 2685, 3045, 3137, 3759, 4785, 5191, 5907, 6265, 6699, 9411, 9845, 11165, 13783, 15573, 15685, 18795, 21959, 25955, 29535, 33495, 34507, 36337, 41349, 47055, 57101, 65877, 68915, 77865, 90973, 103521, 109011, 109795, 171303, 172535, 181685, 206745, 241549, 272919, 285505, 329385, 399707, 454865, 517605, 545055, 561523, 636811, 724647, 856515, 1000703, 1199121, 1207745, 1364595, 1684569, 1910433, 1998535, 2807615, 3002109, 3184055, 3623235, 3930661, 5003515, 5995605, 6176753, 7004921, 8422845, 9552165, 11791983, 15010545, 16284167, 18530259, 19653305, 21014763, 30883765, 35024605, 43237271, 48852501, 58959915, 81420835, 92651295, 105073815, 113989169, 129711813, 179125837, 216186355, 244262505, 341967507, 537377511, 569945845, 648559065, 895629185, 1253880859, 1709837535, 2686887555, 3761642577, 6269404295, 18808212885]

約数ペア:

[(1, 18808212885), (3, 6269404295), (5, 3761642577), (7, 2686887555), (11, 1709837535), (15, 1253880859), (21, 895629185), (29, 648559065), (33, 569945845), (35, 537377511), (55, 341967507), (77, 244262505), (87, 216186355), (105, 179125837), (145, 129711813), (165, 113989169), (179, 105073815), (203, 92651295), (231, 81420835), (319, 58959915), (385, 48852501), (435, 43237271), (537, 35024605), (609, 30883765), (895, 21014763), (957, 19653305), (1015, 18530259), (1155, 16284167), (1253, 15010545), (1595, 11791983), (1969, 9552165), (2233, 8422845), (2685, 7004921), (3045, 6176753), (3137, 5995605), (3759, 5003515), (4785, 3930661), (5191, 3623235), (5907, 3184055), (6265, 3002109), (6699, 2807615), (9411, 1998535), (9845, 1910433), (11165, 1684569), (13783, 1364595), (15573, 1207745), (15685, 1199121), (18795, 1000703), (21959, 856515), (25955, 724647), (29535, 636811), (33495, 561523), (34507, 545055), (36337, 517605), (41349, 454865), (47055, 399707), (57101, 329385), (65877, 285505), (68915, 272919), (77865, 241549), (90973, 206745), (103521, 181685), (109011, 172535), (109795, 171303)]