18656803

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 23328000

約数和(自身を除く): 4671197

約数列:

[1, 11, 17, 19, 59, 89, 187, 209, 323, 649, 979, 1003, 1121, 1513, 1691, 3553, 5251, 11033, 12331, 16643, 18601, 19057, 28747, 57761, 89267, 99769, 209627, 316217, 981937, 1097459, 1696073, 18656803]

約数ペア:

[(1, 18656803), (11, 1696073), (17, 1097459), (19, 981937), (59, 316217), (89, 209627), (187, 99769), (209, 89267), (323, 57761), (649, 28747), (979, 19057), (1003, 18601), (1121, 16643), (1513, 12331), (1691, 11033), (3553, 5251)]