18058690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2694

約数の個数: 32

約数和(自身を含む): 35680176

約数和(自身を除く): 17621486

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2621, 3445, 5242, 6890, 13105, 26210, 34073, 68146, 138913, 170365, 277826, 340730, 694565, 1389130, 1805869, 3611738, 9029345, 18058690]

約数ペア:

[(1, 18058690), (2, 9029345), (5, 3611738), (10, 1805869), (13, 1389130), (26, 694565), (53, 340730), (65, 277826), (106, 170365), (130, 138913), (265, 68146), (530, 34073), (689, 26210), (1378, 13105), (2621, 6890), (3445, 5242)]