19168891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1427}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 23304960

約数和(自身を除く): 4136069

約数列:

[1, 7, 19, 101, 133, 707, 1427, 1919, 9989, 13433, 27113, 144127, 189791, 1008889, 2738413, 19168891]

約数ペア:

[(1, 19168891), (7, 2738413), (19, 1008889), (101, 189791), (133, 144127), (707, 27113), (1427, 13433), (1919, 9989)]