18230973

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 26203968

約数和(自身を除く): 7972995

約数列:

[1, 3, 23, 37, 69, 111, 193, 579, 851, 1369, 2553, 4107, 4439, 7141, 13317, 21423, 31487, 94461, 164243, 264217, 492729, 792651, 6076991, 18230973]

約数ペア:

[(1, 18230973), (3, 6076991), (23, 792651), (37, 492729), (69, 264217), (111, 164243), (193, 94461), (579, 31487), (851, 21423), (1369, 13317), (2553, 7141), (4107, 4439)]