17958759

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 29729280

約数和(自身を除く): 11770521

約数列:

[1, 3, 7, 13, 21, 39, 91, 157, 273, 419, 471, 1099, 1257, 2041, 2933, 3297, 5447, 6123, 8799, 14287, 16341, 38129, 42861, 65783, 114387, 197349, 460481, 855179, 1381443, 2565537, 5986253, 17958759]

約数ペア:

[(1, 17958759), (3, 5986253), (7, 2565537), (13, 1381443), (21, 855179), (39, 460481), (91, 197349), (157, 114387), (273, 65783), (419, 42861), (471, 38129), (1099, 16341), (1257, 14287), (2041, 8799), (2933, 6123), (3297, 5447)]