19919446

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2519

約数の個数: 16

約数和(自身を含む): 30870720

約数和(自身を除く): 10951274

約数列:

[1, 2, 47, 89, 94, 178, 2381, 4183, 4762, 8366, 111907, 211909, 223814, 423818, 9959723, 19919446]

約数ペア:

[(1, 19919446), (2, 9959723), (47, 423818), (89, 223814), (94, 211909), (178, 111907), (2381, 8366), (4183, 4762)]