18861238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1404

約数の個数: 24

約数和(自身を含む): 31648680

約数和(自身を除く): 12787442

約数列:

[1, 2, 11, 22, 59, 118, 121, 242, 649, 1298, 1321, 2642, 7139, 14278, 14531, 29062, 77939, 155878, 159841, 319682, 857329, 1714658, 9430619, 18861238]

約数ペア:

[(1, 18861238), (2, 9430619), (11, 1714658), (22, 857329), (59, 319682), (118, 159841), (121, 155878), (242, 77939), (649, 29062), (1298, 14531), (1321, 14278), (2642, 7139)]