189389630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{440441}}^1$

素因数の和:440491

約数の個数: 16

約数和(自身を含む): 348830064

約数和(自身を除く): 159440434

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 440441, 880882, 2202205, 4404410, 18938963, 37877926, 94694815, 189389630]

約数ペア:

[(1, 189389630), (2, 94694815), (5, 37877926), (10, 18938963), (43, 4404410), (86, 2202205), (215, 880882), (430, 440441)]