17419987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 19359648

約数和(自身を除く): 1939661

約数列:

[1, 13, 53, 131, 193, 689, 1703, 2509, 6943, 10229, 25283, 90259, 132977, 328679, 1339999, 17419987]

約数ペア:

[(1, 17419987), (13, 1339999), (53, 328679), (131, 132977), (193, 90259), (689, 25283), (1703, 10229), (2509, 6943)]