18940636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33113}}^1$

素因数の和:33141

約数の個数: 24

約数和(自身を含む): 38942064

約数和(自身を除く): 20001428

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 33113, 66226, 132452, 364243, 430469, 728486, 860938, 1456972, 1721876, 4735159, 9470318, 18940636]

約数ペア:

[(1, 18940636), (2, 9470318), (4, 4735159), (11, 1721876), (13, 1456972), (22, 860938), (26, 728486), (44, 430469), (52, 364243), (143, 132452), (286, 66226), (572, 33113)]