18278836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10457}}^1$

素因数の和:10503

約数の個数: 24

約数和(自身を含む): 35138880

約数和(自身を除く): 16860044

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 10457, 20914, 41828, 198683, 240511, 397366, 481022, 794732, 962044, 4569709, 9139418, 18278836]

約数ペア:

[(1, 18278836), (2, 9139418), (4, 4569709), (19, 962044), (23, 794732), (38, 481022), (46, 397366), (76, 240511), (92, 198683), (437, 41828), (874, 20914), (1748, 10457)]