2018909844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{258437}}^1$

素因数の和:258485

約数の個数: 72

約数和(自身を含む): 6020571648

約数和(自身を除く): 4001661804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 258437, 516874, 775311, 1033748, 1550622, 1809059, 2325933, 3101244, 3618118, 4651866, 5427177, 7236236, 8011547, 9303732, 10854354, 16023094, 16281531, 21708708, 24034641, 32046188, 32563062, 48069282, 56080829, 65126124, 72103923, 96138564, 112161658, 144207846, 168242487, 224323316, 288415692, 336484974, 504727461, 672969948, 1009454922, 2018909844]

約数ペア:

[(1, 2018909844), (2, 1009454922), (3, 672969948), (4, 504727461), (6, 336484974), (7, 288415692), (9, 224323316), (12, 168242487), (14, 144207846), (18, 112161658), (21, 96138564), (28, 72103923), (31, 65126124), (36, 56080829), (42, 48069282), (62, 32563062), (63, 32046188), (84, 24034641), (93, 21708708), (124, 16281531), (126, 16023094), (186, 10854354), (217, 9303732), (252, 8011547), (279, 7236236), (372, 5427177), (434, 4651866), (558, 3618118), (651, 3101244), (868, 2325933), (1116, 1809059), (1302, 1550622), (1953, 1033748), (2604, 775311), (3906, 516874), (7812, 258437)]