18661478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 33149088

約数和(自身を除く): 14487610

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 187, 374, 451, 697, 902, 1217, 1394, 2434, 7667, 13387, 15334, 20689, 26774, 41378, 49897, 99794, 227579, 455158, 548867, 848249, 1097734, 1696498, 9330739, 18661478]

約数ペア:

[(1, 18661478), (2, 9330739), (11, 1696498), (17, 1097734), (22, 848249), (34, 548867), (41, 455158), (82, 227579), (187, 99794), (374, 49897), (451, 41378), (697, 26774), (902, 20689), (1217, 15334), (1394, 13387), (2434, 7667)]