19060180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 23074220

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 599, 740, 860, 1198, 1591, 2396, 2995, 3182, 5990, 6364, 7955, 11980, 15910, 22163, 25757, 31820, 44326, 51514, 88652, 103028, 110815, 128785, 221630, 257570, 443260, 515140, 953009, 1906018, 3812036, 4765045, 9530090, 19060180]

約数ペア:

[(1, 19060180), (2, 9530090), (4, 4765045), (5, 3812036), (10, 1906018), (20, 953009), (37, 515140), (43, 443260), (74, 257570), (86, 221630), (148, 128785), (172, 110815), (185, 103028), (215, 88652), (370, 51514), (430, 44326), (599, 31820), (740, 25757), (860, 22163), (1198, 15910), (1591, 11980), (2396, 7955), (2995, 6364), (3182, 5990)]