19933571

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7283}}^1$

素因数の和:7330

約数の個数: 16

約数和(自身を含む): 25173504

約数和(自身を除く): 5239933

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7283, 50981, 123811, 167509, 866677, 1172563, 2847653, 19933571]

約数ペア:

[(1, 19933571), (7, 2847653), (17, 1172563), (23, 866677), (119, 167509), (161, 123811), (391, 50981), (2737, 7283)]