19877590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116927}}^1$

素因数の和:116951

約数の個数: 16

約数和(自身を含む): 37884672

約数和(自身を除く): 18007082

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116927, 233854, 584635, 1169270, 1987759, 3975518, 9938795, 19877590]

約数ペア:

[(1, 19877590), (2, 9938795), (5, 3975518), (10, 1987759), (17, 1169270), (34, 584635), (85, 233854), (170, 116927)]