19128723

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2389}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 27188640

約数和(自身を除く): 8059917

約数列:

[1, 3, 17, 51, 157, 471, 2389, 2669, 7167, 8007, 40613, 121839, 375073, 1125219, 6376241, 19128723]

約数ペア:

[(1, 19128723), (3, 6376241), (17, 1125219), (51, 375073), (157, 121839), (471, 40613), (2389, 8007), (2669, 7167)]