18415778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6563}}^1$

素因数の和:6649

約数の個数: 16

約数和(自身を含む): 29301696

約数和(自身を除く): 10885918

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 6563, 13126, 150949, 301898, 400343, 800686, 9207889, 18415778]

約数ペア:

[(1, 18415778), (2, 9207889), (23, 800686), (46, 400343), (61, 301898), (122, 150949), (1403, 13126), (2806, 6563)]