18997860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45233}}^1$

素因数の和:45252

約数の個数: 48

約数和(自身を含む): 60794496

約数和(自身を除く): 41796636

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, 45233, 90466, 135699, 180932, 226165, 271398, 316631, 452330, 542796, 633262, 678495, 904660, 949893, 1266524, 1356990, 1583155, 1899786, 2713980, 3166310, 3799572, 4749465, 6332620, 9498930, 18997860]

約数ペア:

[(1, 18997860), (2, 9498930), (3, 6332620), (4, 4749465), (5, 3799572), (6, 3166310), (7, 2713980), (10, 1899786), (12, 1583155), (14, 1356990), (15, 1266524), (20, 949893), (21, 904660), (28, 678495), (30, 633262), (35, 542796), (42, 452330), (60, 316631), (70, 271398), (84, 226165), (105, 180932), (140, 135699), (210, 90466), (420, 45233)]