19162390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 37368576

約数和(自身を除く): 18206186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 661, 1115, 1322, 2230, 2899, 3305, 5798, 6610, 8593, 14495, 17186, 28990, 42965, 85930, 147403, 294806, 737015, 1474030, 1916239, 3832478, 9581195, 19162390]

約数ペア:

[(1, 19162390), (2, 9581195), (5, 3832478), (10, 1916239), (13, 1474030), (26, 737015), (65, 294806), (130, 147403), (223, 85930), (446, 42965), (661, 28990), (1115, 17186), (1322, 14495), (2230, 8593), (2899, 6610), (3305, 5798)]