19903962

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255179}}^1$

素因数の和:255197

約数の個数: 16

約数和(自身を含む): 42870240

約数和(自身を除く): 22966278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255179, 510358, 765537, 1531074, 3317327, 6634654, 9951981, 19903962]

約数ペア:

[(1, 19903962), (2, 9951981), (3, 6634654), (6, 3317327), (13, 1531074), (26, 765537), (39, 510358), (78, 255179)]