19215671860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12477709}}^1$

素因数の和:12477736

約数の個数: 48

約数和(自身を含む): 50310126720

約数和(自身を除く): 31094454860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12477709, 24955418, 49910836, 62388545, 87343963, 124777090, 137254799, 174687926, 249554180, 274509598, 349375852, 436719815, 549019196, 686273995, 873439630, 960783593, 1372547990, 1746879260, 1921567186, 2745095980, 3843134372, 4803917965, 9607835930, 19215671860]

約数ペア:

[(1, 19215671860), (2, 9607835930), (4, 4803917965), (5, 3843134372), (7, 2745095980), (10, 1921567186), (11, 1746879260), (14, 1372547990), (20, 960783593), (22, 873439630), (28, 686273995), (35, 549019196), (44, 436719815), (55, 349375852), (70, 274509598), (77, 249554180), (110, 174687926), (140, 137254799), (154, 124777090), (220, 87343963), (308, 62388545), (385, 49910836), (770, 24955418), (1540, 12477709)]