19497181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 3581987

約数列:

[1, 11, 17, 41, 187, 451, 697, 2543, 7667, 27973, 43231, 104263, 475541, 1146893, 1772471, 19497181]

約数ペア:

[(1, 19497181), (11, 1772471), (17, 1146893), (41, 475541), (187, 104263), (451, 43231), (697, 27973), (2543, 7667)]