19811274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{471697}}^1$

素因数の和:471709

約数の個数: 16

約数和(自身を含む): 45283008

約数和(自身を除く): 25471734

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 471697, 943394, 1415091, 2830182, 3301879, 6603758, 9905637, 19811274]

約数ペア:

[(1, 19811274), (2, 9905637), (3, 6603758), (6, 3301879), (7, 2830182), (14, 1415091), (21, 943394), (42, 471697)]