19795010

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3889}}^1$

素因数の和:4405

約数の個数: 16

約数和(自身を含む): 35710200

約数和(自身を除く): 15915190

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 3889, 5090, 7778, 19445, 38890, 1979501, 3959002, 9897505, 19795010]

約数ペア:

[(1, 19795010), (2, 9897505), (5, 3959002), (10, 1979501), (509, 38890), (1018, 19445), (2545, 7778), (3889, 5090)]