19995456

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8039

約数の個数: 56

約数和(自身を含む): 56981344

約数和(自身を除く): 36985888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8011, 16022, 24033, 32044, 48066, 64088, 96132, 104143, 128176, 192264, 208286, 256352, 312429, 384528, 416572, 512704, 624858, 769056, 833144, 1249716, 1538112, 1666288, 2499432, 3332576, 4998864, 6665152, 9997728, 19995456]

約数ペア:

[(1, 19995456), (2, 9997728), (3, 6665152), (4, 4998864), (6, 3332576), (8, 2499432), (12, 1666288), (13, 1538112), (16, 1249716), (24, 833144), (26, 769056), (32, 624858), (39, 512704), (48, 416572), (52, 384528), (64, 312429), (78, 256352), (96, 208286), (104, 192264), (156, 128176), (192, 104143), (208, 96132), (312, 64088), (416, 48066), (624, 32044), (832, 24033), (1248, 16022), (2496, 8011)]