18867040

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3187}}^1$

素因数の和:3239

約数の個数: 48

約数和(自身を含む): 45792432

約数和(自身を除く): 26925392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3187, 5920, 6374, 12748, 15935, 25496, 31870, 50992, 63740, 101984, 117919, 127480, 235838, 254960, 471676, 509920, 589595, 943352, 1179190, 1886704, 2358380, 3773408, 4716760, 9433520, 18867040]

約数ペア:

[(1, 18867040), (2, 9433520), (4, 4716760), (5, 3773408), (8, 2358380), (10, 1886704), (16, 1179190), (20, 943352), (32, 589595), (37, 509920), (40, 471676), (74, 254960), (80, 235838), (148, 127480), (160, 117919), (185, 101984), (296, 63740), (370, 50992), (592, 31870), (740, 25496), (1184, 15935), (1480, 12748), (2960, 6374), (3187, 5920)]