18784948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51607}}^1$

素因数の和:51631

約数の個数: 24

約数和(自身を含む): 40460672

約数和(自身を除く): 21675724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51607, 103214, 206428, 361249, 670891, 722498, 1341782, 1444996, 2683564, 4696237, 9392474, 18784948]

約数ペア:

[(1, 18784948), (2, 9392474), (4, 4696237), (7, 2683564), (13, 1444996), (14, 1341782), (26, 722498), (28, 670891), (52, 361249), (91, 206428), (182, 103214), (364, 51607)]