19230890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6389}}^1$

素因数の和:6446

約数の個数: 32

約数和(自身を含む): 40487040

約数和(自身を除く): 21256150

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6389, 12778, 31945, 44723, 63890, 89446, 223615, 274727, 447230, 549454, 1373635, 1923089, 2747270, 3846178, 9615445, 19230890]

約数ペア:

[(1, 19230890), (2, 9615445), (5, 3846178), (7, 2747270), (10, 1923089), (14, 1373635), (35, 549454), (43, 447230), (70, 274727), (86, 223615), (215, 89446), (301, 63890), (430, 44723), (602, 31945), (1505, 12778), (3010, 6389)]