19123860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45533}}^1$

素因数の和:45552

約数の個数: 48

約数和(自身を含む): 61197696

約数和(自身を除く): 42073836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45533, 91066, 136599, 182132, 227665, 273198, 318731, 455330, 546396, 637462, 682995, 910660, 956193, 1274924, 1365990, 1593655, 1912386, 2731980, 3187310, 3824772, 4780965, 6374620, 9561930, 19123860]

約数ペア:

[(1, 19123860), (2, 9561930), (3, 6374620), (4, 4780965), (5, 3824772), (6, 3187310), (7, 2731980), (10, 1912386), (12, 1593655), (14, 1365990), (15, 1274924), (20, 956193), (21, 910660), (28, 682995), (30, 637462), (35, 546396), (42, 455330), (60, 318731), (70, 273198), (84, 227665), (105, 182132), (140, 136599), (210, 91066), (420, 45533)]