17919737

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 21143808

約数和(自身を除く): 3224071

約数列:

[1, 11, 23, 47, 121, 137, 253, 517, 1081, 1507, 2783, 3151, 5687, 6439, 11891, 16577, 34661, 70829, 130801, 148097, 381271, 779119, 1629067, 17919737]

約数ペア:

[(1, 17919737), (11, 1629067), (23, 779119), (47, 381271), (121, 148097), (137, 130801), (253, 70829), (517, 34661), (1081, 16577), (1507, 11891), (2783, 6439), (3151, 5687)]