19021480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11059}}^1$

素因数の和:11113

約数の個数: 32

約数和(自身を含む): 43797600

約数和(自身を除く): 24776120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11059, 22118, 44236, 55295, 88472, 110590, 221180, 442360, 475537, 951074, 1902148, 2377685, 3804296, 4755370, 9510740, 19021480]

約数ペア:

[(1, 19021480), (2, 9510740), (4, 4755370), (5, 3804296), (8, 2377685), (10, 1902148), (20, 951074), (40, 475537), (43, 442360), (86, 221180), (172, 110590), (215, 88472), (344, 55295), (430, 44236), (860, 22118), (1720, 11059)]