18291338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 31664640

約数和(自身を除く): 13373302

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 494, 607, 793, 1159, 1214, 1586, 2318, 7891, 11533, 15067, 15782, 23066, 30134, 37027, 74054, 149929, 299858, 481351, 703513, 962702, 1407026, 9145669, 18291338]

約数ペア:

[(1, 18291338), (2, 9145669), (13, 1407026), (19, 962702), (26, 703513), (38, 481351), (61, 299858), (122, 149929), (247, 74054), (494, 37027), (607, 30134), (793, 23066), (1159, 15782), (1214, 15067), (1586, 11533), (2318, 7891)]