19317851

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 23362560

約数和(自身を除く): 4044709

約数列:

[1, 7, 19, 133, 337, 431, 2359, 3017, 6403, 8189, 44821, 57323, 145247, 1016729, 2759693, 19317851]

約数ペア:

[(1, 19317851), (7, 2759693), (19, 1016729), (133, 145247), (337, 57323), (431, 44821), (2359, 8189), (3017, 6403)]