18817136

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{6959}}^1$

素因数の和:6993

約数の個数: 30

約数和(自身を含む): 39484080

約数和(自身を除く): 20666944

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 6959, 13918, 27836, 55672, 90467, 111344, 180934, 361868, 723736, 1176071, 1447472, 2352142, 4704284, 9408568, 18817136]

約数ペア:

[(1, 18817136), (2, 9408568), (4, 4704284), (8, 2352142), (13, 1447472), (16, 1176071), (26, 723736), (52, 361868), (104, 180934), (169, 111344), (208, 90467), (338, 55672), (676, 27836), (1352, 13918), (2704, 6959)]