19498930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 38683008

約数和(自身を除く): 19184078

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 1721, 2266, 3442, 5665, 8605, 11330, 17210, 18931, 37862, 94655, 177263, 189310, 354526, 886315, 1772630, 1949893, 3899786, 9749465, 19498930]

約数ペア:

[(1, 19498930), (2, 9749465), (5, 3899786), (10, 1949893), (11, 1772630), (22, 886315), (55, 354526), (103, 189310), (110, 177263), (206, 94655), (515, 37862), (1030, 18931), (1133, 17210), (1721, 11330), (2266, 8605), (3442, 5665)]