18980550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{42179}}^1$

素因数の和:42197

約数の個数: 36

約数和(自身を含む): 50995620

約数和(自身を除く): 32015070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 42179, 84358, 126537, 210895, 253074, 379611, 421790, 632685, 759222, 1054475, 1265370, 1898055, 2108950, 3163425, 3796110, 6326850, 9490275, 18980550]

約数ペア:

[(1, 18980550), (2, 9490275), (3, 6326850), (5, 3796110), (6, 3163425), (9, 2108950), (10, 1898055), (15, 1265370), (18, 1054475), (25, 759222), (30, 632685), (45, 421790), (50, 379611), (75, 253074), (90, 210895), (150, 126537), (225, 84358), (450, 42179)]