19984861

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 2755619

約数列:

[1, 13, 23, 89, 299, 751, 1157, 2047, 9763, 17273, 26611, 66839, 224549, 868907, 1537297, 19984861]

約数ペア:

[(1, 19984861), (13, 1537297), (23, 868907), (89, 224549), (299, 66839), (751, 26611), (1157, 17273), (2047, 9763)]