18845398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 14684714

約数列:

[1, 2, 11, 13, 22, 26, 131, 143, 262, 286, 503, 1006, 1441, 1703, 2882, 3406, 5533, 6539, 11066, 13078, 18733, 37466, 65893, 71929, 131786, 143858, 724823, 856609, 1449646, 1713218, 9422699, 18845398]

約数ペア:

[(1, 18845398), (2, 9422699), (11, 1713218), (13, 1449646), (22, 856609), (26, 724823), (131, 143858), (143, 131786), (262, 71929), (286, 65893), (503, 37466), (1006, 18733), (1441, 13078), (1703, 11066), (2882, 6539), (3406, 5533)]