19731530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21683}}^1$

素因数の和:21710

約数の個数: 32

約数和(自身を含む): 43714944

約数和(自身を除く): 23983414

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21683, 43366, 108415, 151781, 216830, 281879, 303562, 563758, 758905, 1409395, 1517810, 1973153, 2818790, 3946306, 9865765, 19731530]

約数ペア:

[(1, 19731530), (2, 9865765), (5, 3946306), (7, 2818790), (10, 1973153), (13, 1517810), (14, 1409395), (26, 758905), (35, 563758), (65, 303562), (70, 281879), (91, 216830), (130, 151781), (182, 108415), (455, 43366), (910, 21683)]