19344725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 7171435

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 1979, 9775, 9895, 33643, 45517, 49475, 168215, 227585, 773789, 841075, 1137925, 3868945, 19344725]

約数ペア:

[(1, 19344725), (5, 3868945), (17, 1137925), (23, 841075), (25, 773789), (85, 227585), (115, 168215), (391, 49475), (425, 45517), (575, 33643), (1955, 9895), (1979, 9775)]