17918804995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{25523}}^1$

素因数の和:27091

約数の個数: 32

約数和(自身を含む): 26482885632

約数和(自身を除く): 8564080637

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1543, 7715, 10801, 20059, 25523, 54005, 100295, 127615, 140413, 178661, 331799, 702065, 893305, 1658995, 2322593, 11612965, 39381989, 196909945, 275673923, 511965857, 1378369615, 2559829285, 3583760999, 17918804995]

約数ペア:

[(1, 17918804995), (5, 3583760999), (7, 2559829285), (13, 1378369615), (35, 511965857), (65, 275673923), (91, 196909945), (455, 39381989), (1543, 11612965), (7715, 2322593), (10801, 1658995), (20059, 893305), (25523, 702065), (54005, 331799), (100295, 178661), (127615, 140413)]