19881006

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{12893}}^1$

素因数の和:13155

約数の個数: 16

約数和(自身を含む): 39919824

約数和(自身を除く): 20038818

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 12893, 25786, 38679, 77358, 3313501, 6627002, 9940503, 19881006]

約数ペア:

[(1, 19881006), (2, 9940503), (3, 6627002), (6, 3313501), (257, 77358), (514, 38679), (771, 25786), (1542, 12893)]