19713001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11131}}^1$

素因数の和:11172

約数の個数: 16

約数和(自身を含む): 25648128

約数和(自身を除く): 5935127

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11131, 77917, 122441, 256013, 857087, 1792091, 2816143, 19713001]

約数ペア:

[(1, 19713001), (7, 2816143), (11, 1792091), (23, 857087), (77, 256013), (161, 122441), (253, 77917), (1771, 11131)]