19502220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7559}}^1$

素因数の和:7614

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 36381300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7559, 15118, 22677, 30236, 37795, 45354, 75590, 90708, 113385, 151180, 226770, 325037, 453540, 650074, 975111, 1300148, 1625185, 1950222, 3250370, 3900444, 4875555, 6500740, 9751110, 19502220]

約数ペア:

[(1, 19502220), (2, 9751110), (3, 6500740), (4, 4875555), (5, 3900444), (6, 3250370), (10, 1950222), (12, 1625185), (15, 1300148), (20, 975111), (30, 650074), (43, 453540), (60, 325037), (86, 226770), (129, 151180), (172, 113385), (215, 90708), (258, 75590), (430, 45354), (516, 37795), (645, 30236), (860, 22677), (1290, 15118), (2580, 7559)]