19012968

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 59865960

約数和(自身を除く): 40852992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 61, 72, 74, 78, 81, 104, 108, 111, 117, 122, 148, 156, 162, 183, 216, 222, 234, 244, 296, 312, 324, 333, 351, 366, 444, 468, 481, 488, 549, 648, 666, 702, 732, 793, 888, 936, 962, 999, 1053, 1098, 1332, 1404, 1443, 1464, 1586, 1647, 1924, 1998, 2106, 2196, 2257, 2379, 2664, 2808, 2886, 2997, 3172, 3294, 3848, 3996, 4212, 4329, 4392, 4514, 4758, 4941, 5772, 5994, 6344, 6588, 6771, 7137, 7992, 8424, 8658, 9028, 9516, 9882, 11544, 11988, 12987, 13176, 13542, 14274, 17316, 18056, 19032, 19764, 20313, 21411, 23976, 25974, 27084, 28548, 29341, 34632, 38961, 39528, 40626, 42822, 51948, 54168, 57096, 58682, 60939, 64233, 77922, 81252, 85644, 88023, 103896, 117364, 121878, 128466, 155844, 162504, 171288, 176046, 182817, 234728, 243756, 256932, 264069, 311688, 352092, 365634, 487512, 513864, 528138, 704184, 731268, 792207, 1056276, 1462536, 1584414, 2112552, 2376621, 3168828, 4753242, 6337656, 9506484, 19012968]

約数ペア:

[(1, 19012968), (2, 9506484), (3, 6337656), (4, 4753242), (6, 3168828), (8, 2376621), (9, 2112552), (12, 1584414), (13, 1462536), (18, 1056276), (24, 792207), (26, 731268), (27, 704184), (36, 528138), (37, 513864), (39, 487512), (52, 365634), (54, 352092), (61, 311688), (72, 264069), (74, 256932), (78, 243756), (81, 234728), (104, 182817), (108, 176046), (111, 171288), (117, 162504), (122, 155844), (148, 128466), (156, 121878), (162, 117364), (183, 103896), (216, 88023), (222, 85644), (234, 81252), (244, 77922), (296, 64233), (312, 60939), (324, 58682), (333, 57096), (351, 54168), (366, 51948), (444, 42822), (468, 40626), (481, 39528), (488, 38961), (549, 34632), (648, 29341), (666, 28548), (702, 27084), (732, 25974), (793, 23976), (888, 21411), (936, 20313), (962, 19764), (999, 19032), (1053, 18056), (1098, 17316), (1332, 14274), (1404, 13542), (1443, 13176), (1464, 12987), (1586, 11988), (1647, 11544), (1924, 9882), (1998, 9516), (2106, 9028), (2196, 8658), (2257, 8424), (2379, 7992), (2664, 7137), (2808, 6771), (2886, 6588), (2997, 6344), (3172, 5994), (3294, 5772), (3848, 4941), (3996, 4758), (4212, 4514), (4329, 4392)]