19878894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157769}}^1$

素因数の和:157784

約数の個数: 24

約数和(自身を含む): 49224240

約数和(自身を除く): 29345346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157769, 315538, 473307, 946614, 1104383, 1419921, 2208766, 2839842, 3313149, 6626298, 9939447, 19878894]

約数ペア:

[(1, 19878894), (2, 9939447), (3, 6626298), (6, 3313149), (7, 2839842), (9, 2208766), (14, 1419921), (18, 1104383), (21, 946614), (42, 473307), (63, 315538), (126, 157769)]