19963554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1213}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 43237824

約数和(自身を除く): 23274270

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1213, 1266, 2426, 2743, 3639, 5486, 7278, 8229, 15769, 16458, 31538, 47307, 94614, 255943, 511886, 767829, 1535658, 3327259, 6654518, 9981777, 19963554]

約数ペア:

[(1, 19963554), (2, 9981777), (3, 6654518), (6, 3327259), (13, 1535658), (26, 767829), (39, 511886), (78, 255943), (211, 94614), (422, 47307), (633, 31538), (1213, 16458), (1266, 15769), (2426, 8229), (2743, 7278), (3639, 5486)]