19430090

素因数分解:

$2^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1721}}^1$

素因数の和:2857

約数の個数: 16

約数和(自身を含む): 35025480

約数和(自身を除く): 15595390

約数列:

[1, 2, 5, 10, 1129, 1721, 2258, 3442, 5645, 8605, 11290, 17210, 1943009, 3886018, 9715045, 19430090]

約数ペア:

[(1, 19430090), (2, 9715045), (5, 3886018), (10, 1943009), (1129, 17210), (1721, 11290), (2258, 8605), (3442, 5645)]