18697946704

素因数分解:

$2^4\times {\mathrm{2179}}^1\times {\mathrm{536311}}^1$

素因数の和:538498

約数の個数: 20

約数和(自身を含む): 36243964960

約数和(自身を除く): 17546018256

約数列:

[1, 2, 4, 8, 16, 2179, 4358, 8716, 17432, 34864, 536311, 1072622, 2145244, 4290488, 8580976, 1168621669, 2337243338, 4674486676, 9348973352, 18697946704]

約数ペア:

[(1, 18697946704), (2, 9348973352), (4, 4674486676), (8, 2337243338), (16, 1168621669), (2179, 8580976), (4358, 4290488), (8716, 2145244), (17432, 1072622), (34864, 536311)]