19719990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73037}}^1$

素因数の和:73053

約数の個数: 32

約数和(自身を含む): 52587360

約数和(自身を除く): 32867370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 73037, 146074, 219111, 365185, 438222, 657333, 730370, 1095555, 1314666, 1971999, 2191110, 3286665, 3943998, 6573330, 9859995, 19719990]

約数ペア:

[(1, 19719990), (2, 9859995), (3, 6573330), (5, 3943998), (6, 3286665), (9, 2191110), (10, 1971999), (15, 1314666), (18, 1095555), (27, 730370), (30, 657333), (45, 438222), (54, 365185), (90, 219111), (135, 146074), (270, 73037)]