18804519920

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{344153}}^1$

素因数の和:344849

約数の個数: 40

約数和(自身を含む): 43784648496

約数和(自身を除く): 24980128576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1366, 2732, 3415, 5464, 6830, 10928, 13660, 27320, 54640, 344153, 688306, 1376612, 1720765, 2753224, 3441530, 5506448, 6883060, 13766120, 27532240, 235056499, 470112998, 940225996, 1175282495, 1880451992, 2350564990, 3760903984, 4701129980, 9402259960, 18804519920]

約数ペア:

[(1, 18804519920), (2, 9402259960), (4, 4701129980), (5, 3760903984), (8, 2350564990), (10, 1880451992), (16, 1175282495), (20, 940225996), (40, 470112998), (80, 235056499), (683, 27532240), (1366, 13766120), (2732, 6883060), (3415, 5506448), (5464, 3441530), (6830, 2753224), (10928, 1720765), (13660, 1376612), (27320, 688306), (54640, 344153)]