2018686293

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 3559718400

約数和(自身を除く): 1541032107

約数列:

[1, 3, 9, 13, 19, 27, 37, 39, 57, 81, 101, 111, 117, 171, 243, 247, 303, 333, 351, 481, 513, 703, 729, 741, 909, 999, 1053, 1313, 1443, 1539, 1919, 2109, 2187, 2223, 2727, 2997, 3159, 3737, 3939, 4329, 4617, 5757, 6327, 6669, 8181, 8991, 9139, 9477, 11211, 11817, 12987, 13851, 17271, 18981, 20007, 24543, 24947, 26973, 27417, 28431, 33633, 35451, 38961, 41553, 48581, 51813, 56943, 60021, 71003, 73629, 74841, 80919, 82251, 100899, 106353, 116883, 145743, 155439, 170829, 180063, 213009, 220887, 224523, 246753, 302697, 319059, 350649, 437229, 466317, 512487, 540189, 639027, 673569, 740259, 908091, 923039, 957177, 1051947, 1311687, 1398951, 1537461, 1917081, 2020707, 2220777, 2724273, 2769117, 2871531, 3935061, 4196853, 5751243, 6062121, 6662331, 8172819, 8307351, 11805183, 17253729, 18186363, 19986993, 24922053, 35415549, 51761187, 54559089, 74766159, 106246647, 155283561, 224298477, 672895431, 2018686293]

約数ペア:

[(1, 2018686293), (3, 672895431), (9, 224298477), (13, 155283561), (19, 106246647), (27, 74766159), (37, 54559089), (39, 51761187), (57, 35415549), (81, 24922053), (101, 19986993), (111, 18186363), (117, 17253729), (171, 11805183), (243, 8307351), (247, 8172819), (303, 6662331), (333, 6062121), (351, 5751243), (481, 4196853), (513, 3935061), (703, 2871531), (729, 2769117), (741, 2724273), (909, 2220777), (999, 2020707), (1053, 1917081), (1313, 1537461), (1443, 1398951), (1539, 1311687), (1919, 1051947), (2109, 957177), (2187, 923039), (2223, 908091), (2727, 740259), (2997, 673569), (3159, 639027), (3737, 540189), (3939, 512487), (4329, 466317), (4617, 437229), (5757, 350649), (6327, 319059), (6669, 302697), (8181, 246753), (8991, 224523), (9139, 220887), (9477, 213009), (11211, 180063), (11817, 170829), (12987, 155439), (13851, 145743), (17271, 116883), (18981, 106353), (20007, 100899), (24543, 82251), (24947, 80919), (26973, 74841), (27417, 73629), (28431, 71003), (33633, 60021), (35451, 56943), (38961, 51813), (41553, 48581)]