18311228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{887}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 34635552

約数和(自身を除く): 16324324

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 887, 1588, 1774, 3548, 5161, 10322, 11531, 20644, 23062, 46124, 352139, 704278, 1408556, 4577807, 9155614, 18311228]

約数ペア:

[(1, 18311228), (2, 9155614), (4, 4577807), (13, 1408556), (26, 704278), (52, 352139), (397, 46124), (794, 23062), (887, 20644), (1588, 11531), (1774, 10322), (3548, 5161)]