18273079

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 4709321

約数列:

[1, 11, 17, 19, 37, 139, 187, 209, 323, 407, 629, 703, 1529, 2363, 2641, 3553, 5143, 6919, 7733, 11951, 25993, 29051, 44897, 56573, 87431, 97717, 131461, 493867, 961741, 1074887, 1661189, 18273079]

約数ペア:

[(1, 18273079), (11, 1661189), (17, 1074887), (19, 961741), (37, 493867), (139, 131461), (187, 97717), (209, 87431), (323, 56573), (407, 44897), (629, 29051), (703, 25993), (1529, 11951), (2363, 7733), (2641, 6919), (3553, 5143)]