18181636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19074044

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 109, 187, 218, 223, 374, 436, 446, 748, 892, 1199, 1853, 2398, 2453, 3706, 3791, 4796, 4906, 7412, 7582, 9812, 15164, 20383, 24307, 40766, 41701, 48614, 81532, 83402, 97228, 166804, 267377, 413219, 534754, 826438, 1069508, 1652876, 4545409, 9090818, 18181636]

約数ペア:

[(1, 18181636), (2, 9090818), (4, 4545409), (11, 1652876), (17, 1069508), (22, 826438), (34, 534754), (44, 413219), (68, 267377), (109, 166804), (187, 97228), (218, 83402), (223, 81532), (374, 48614), (436, 41701), (446, 40766), (748, 24307), (892, 20383), (1199, 15164), (1853, 9812), (2398, 7582), (2453, 7412), (3706, 4906), (3791, 4796)]