19861648

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1901}}^1$

素因数の和:2562

約数の個数: 20

約数和(自身を含む): 38561148

約数和(自身を除く): 18699500

約数列:

[1, 2, 4, 8, 16, 653, 1306, 1901, 2612, 3802, 5224, 7604, 10448, 15208, 30416, 1241353, 2482706, 4965412, 9930824, 19861648]

約数ペア:

[(1, 19861648), (2, 9930824), (4, 4965412), (8, 2482706), (16, 1241353), (653, 30416), (1306, 15208), (1901, 10448), (2612, 7604), (3802, 5224)]