18081778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3719}}^1$

素因数の和:3762

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 15666062

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 3719, 4862, 7438, 40909, 48347, 63223, 81818, 96694, 126446, 531817, 695453, 821899, 1063634, 1390906, 1643798, 9040889, 18081778]

約数ペア:

[(1, 18081778), (2, 9040889), (11, 1643798), (13, 1390906), (17, 1063634), (22, 821899), (26, 695453), (34, 531817), (143, 126446), (187, 96694), (221, 81818), (286, 63223), (374, 48347), (442, 40909), (2431, 7438), (3719, 4862)]