19799948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22811}}^1$

素因数の和:22853

約数の個数: 24

約数和(自身を含む): 40879104

約数和(自身を除く): 21079156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22811, 45622, 91244, 159677, 319354, 638708, 707141, 1414282, 2828564, 4949987, 9899974, 19799948]

約数ペア:

[(1, 19799948), (2, 9899974), (4, 4949987), (7, 2828564), (14, 1414282), (28, 707141), (31, 638708), (62, 319354), (124, 159677), (217, 91244), (434, 45622), (868, 22811)]