18717128

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6481}}^1$

素因数の和:6525

約数の個数: 24

約数和(自身を含む): 37044630

約数和(自身を除く): 18327502

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6481, 12962, 25924, 51848, 123139, 246278, 492556, 985112, 2339641, 4679282, 9358564, 18717128]

約数ペア:

[(1, 18717128), (2, 9358564), (4, 4679282), (8, 2339641), (19, 985112), (38, 492556), (76, 246278), (152, 123139), (361, 51848), (722, 25924), (1444, 12962), (2888, 6481)]