18705778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1402

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 16291982

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1301, 2054, 2602, 7189, 9107, 14378, 16913, 18214, 33826, 102779, 118391, 205558, 236782, 719453, 1336127, 1438906, 2672254, 9352889, 18705778]

約数ペア:

[(1, 18705778), (2, 9352889), (7, 2672254), (13, 1438906), (14, 1336127), (26, 719453), (79, 236782), (91, 205558), (158, 118391), (182, 102779), (553, 33826), (1027, 18214), (1106, 16913), (1301, 14378), (2054, 9107), (2602, 7189)]