19809010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{152377}}^1$

素因数の和:152397

約数の個数: 16

約数和(自身を含む): 38399256

約数和(自身を除く): 18590246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 152377, 304754, 761885, 1523770, 1980901, 3961802, 9904505, 19809010]

約数ペア:

[(1, 19809010), (2, 9904505), (5, 3961802), (10, 1980901), (13, 1523770), (26, 761885), (65, 304754), (130, 152377)]