18909212

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1091}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 37914240

約数和(自身を除く): 19005028

約数列:

[1, 2, 4, 7, 14, 28, 619, 1091, 1238, 2182, 2476, 4333, 4364, 7637, 8666, 15274, 17332, 30548, 675329, 1350658, 2701316, 4727303, 9454606, 18909212]

約数ペア:

[(1, 18909212), (2, 9454606), (4, 4727303), (7, 2701316), (14, 1350658), (28, 675329), (619, 30548), (1091, 17332), (1238, 15274), (2182, 8666), (2476, 7637), (4333, 4364)]