18513014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 31309824

約数和(自身を除く): 12796810

約数列:

[1, 2, 13, 26, 31, 62, 103, 206, 223, 403, 446, 806, 1339, 2678, 2899, 3193, 5798, 6386, 6913, 13826, 22969, 41509, 45938, 83018, 89869, 179738, 298597, 597194, 712039, 1424078, 9256507, 18513014]

約数ペア:

[(1, 18513014), (2, 9256507), (13, 1424078), (26, 712039), (31, 597194), (62, 298597), (103, 179738), (206, 89869), (223, 83018), (403, 45938), (446, 41509), (806, 22969), (1339, 13826), (2678, 6913), (2899, 6386), (3193, 5798)]