18969212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3929}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 35652960

約数和(自身を除く): 16683748

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 3929, 4828, 7858, 15716, 66793, 133586, 267172, 278959, 557918, 1115836, 4742303, 9484606, 18969212]

約数ペア:

[(1, 18969212), (2, 9484606), (4, 4742303), (17, 1115836), (34, 557918), (68, 278959), (71, 267172), (142, 133586), (284, 66793), (1207, 15716), (2414, 7858), (3929, 4828)]