19126666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 33097680

約数和(自身を除く): 13971014

約数列:

[1, 2, 13, 17, 26, 34, 109, 218, 221, 397, 442, 794, 1417, 1853, 2834, 3706, 5161, 6749, 10322, 13498, 24089, 43273, 48178, 86546, 87737, 175474, 562549, 735641, 1125098, 1471282, 9563333, 19126666]

約数ペア:

[(1, 19126666), (2, 9563333), (13, 1471282), (17, 1125098), (26, 735641), (34, 562549), (109, 175474), (218, 87737), (221, 86546), (397, 48178), (442, 43273), (794, 24089), (1417, 13498), (1853, 10322), (2834, 6749), (3706, 5161)]