19883591

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12853}}^1$

素因数の和:12890

約数の個数: 16

約数和(自身を含む): 25913664

約数和(自身を除く): 6030073

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12853, 89971, 167089, 218501, 1169623, 1529507, 2840513, 19883591]

約数ペア:

[(1, 19883591), (7, 2840513), (13, 1529507), (17, 1169623), (91, 218501), (119, 167089), (221, 89971), (1547, 12853)]