19739465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{883}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 25204608

約数和(自身を除く): 5465143

約数列:

[1, 5, 17, 85, 263, 883, 1315, 4415, 4471, 15011, 22355, 75055, 232229, 1161145, 3947893, 19739465]

約数ペア:

[(1, 19739465), (5, 3947893), (17, 1161145), (85, 232229), (263, 75055), (883, 22355), (1315, 15011), (4415, 4471)]