18608817

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 26744256

約数和(自身を除く): 8135439

約数列:

[1, 3, 23, 37, 69, 111, 197, 591, 851, 1369, 2553, 4107, 4531, 7289, 13593, 21867, 31487, 94461, 167647, 269693, 502941, 809079, 6202939, 18608817]

約数ペア:

[(1, 18608817), (3, 6202939), (23, 809079), (37, 502941), (69, 269693), (111, 167647), (197, 94461), (591, 31487), (851, 21867), (1369, 13593), (2553, 7289), (4107, 4531)]