19087270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44389}}^1$

素因数の和:44439

約数の個数: 16

約数和(自身を含む): 35156880

約数和(自身を除く): 16069610

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 44389, 88778, 221945, 443890, 1908727, 3817454, 9543635, 19087270]

約数ペア:

[(1, 19087270), (2, 9543635), (5, 3817454), (10, 1908727), (43, 443890), (86, 221945), (215, 88778), (430, 44389)]