18026953

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 23798640

約数和(自身を除く): 5771687

約数列:

[1, 7, 17, 19, 49, 67, 119, 133, 289, 323, 469, 833, 931, 1139, 1273, 2023, 2261, 3283, 5491, 7973, 8911, 14161, 15827, 19363, 21641, 38437, 55811, 62377, 135541, 151487, 269059, 367897, 948787, 1060409, 2575279, 18026953]

約数ペア:

[(1, 18026953), (7, 2575279), (17, 1060409), (19, 948787), (49, 367897), (67, 269059), (119, 151487), (133, 135541), (289, 62377), (323, 55811), (469, 38437), (833, 21641), (931, 19363), (1139, 15827), (1273, 14161), (2023, 8911), (2261, 7973), (3283, 5491)]