19151580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45599}}^1$

素因数の和:45618

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 42134820

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, 45599, 91198, 136797, 182396, 227995, 273594, 319193, 455990, 547188, 638386, 683985, 911980, 957579, 1276772, 1367970, 1595965, 1915158, 2735940, 3191930, 3830316, 4787895, 6383860, 9575790, 19151580]

約数ペア:

[(1, 19151580), (2, 9575790), (3, 6383860), (4, 4787895), (5, 3830316), (6, 3191930), (7, 2735940), (10, 1915158), (12, 1595965), (14, 1367970), (15, 1276772), (20, 957579), (21, 911980), (28, 683985), (30, 638386), (35, 547188), (42, 455990), (60, 319193), (70, 273594), (84, 227995), (105, 182396), (140, 136797), (210, 91198), (420, 45599)]