19938510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221539}}^1$

素因数の和:221552

約数の個数: 24

約数和(自身を含む): 51840360

約数和(自身を除く): 31901850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221539, 443078, 664617, 1107695, 1329234, 1993851, 2215390, 3323085, 3987702, 6646170, 9969255, 19938510]

約数ペア:

[(1, 19938510), (2, 9969255), (3, 6646170), (5, 3987702), (6, 3323085), (9, 2215390), (10, 1993851), (15, 1329234), (18, 1107695), (30, 664617), (45, 443078), (90, 221539)]