19941159

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7477}}^1$

素因数の和:7614

約数の個数: 16

約数和(自身を含む): 30629888

約数和(自身を除く): 10688729

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7477, 22431, 52339, 157017, 949579, 2848737, 6647053, 19941159]

約数ペア:

[(1, 19941159), (3, 6647053), (7, 2848737), (21, 949579), (127, 157017), (381, 52339), (889, 22431), (2667, 7477)]