19119581

素因数分解:

${\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 21141120

約数和(自身を除く): 2021539

約数列:

[1, 13, 103, 109, 131, 1339, 1417, 1703, 11227, 13493, 14279, 145951, 175409, 185627, 1470737, 19119581]

約数ペア:

[(1, 19119581), (13, 1470737), (103, 185627), (109, 175409), (131, 145951), (1339, 14279), (1417, 13493), (1703, 11227)]