19379241

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 12856599

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2213, 2919, 6639, 8757, 15491, 19917, 46473, 139419, 307607, 922821, 2153249, 2768463, 6459747, 19379241]

約数ペア:

[(1, 19379241), (3, 6459747), (7, 2768463), (9, 2153249), (21, 922821), (63, 307607), (139, 139419), (417, 46473), (973, 19917), (1251, 15491), (2213, 8757), (2919, 6639)]