18387226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 14271974

約数列:

[1, 2, 11, 13, 22, 26, 143, 239, 269, 286, 478, 538, 2629, 2959, 3107, 3497, 5258, 5918, 6214, 6994, 34177, 38467, 64291, 68354, 76934, 128582, 707201, 835783, 1414402, 1671566, 9193613, 18387226]

約数ペア:

[(1, 18387226), (2, 9193613), (11, 1671566), (13, 1414402), (22, 835783), (26, 707201), (143, 128582), (239, 76934), (269, 68354), (286, 64291), (478, 38467), (538, 34177), (2629, 6994), (2959, 6214), (3107, 5918), (3497, 5258)]