19903986

素因数分解:

$2^1\times 3^2\times {\mathrm{683}}^1\times {\mathrm{1619}}^1$

素因数の和:2310

約数の個数: 24

約数和(自身を含む): 43215120

約数和(自身を除く): 23311134

約数列:

[1, 2, 3, 6, 9, 18, 683, 1366, 1619, 2049, 3238, 4098, 4857, 6147, 9714, 12294, 14571, 29142, 1105777, 2211554, 3317331, 6634662, 9951993, 19903986]

約数ペア:

[(1, 19903986), (2, 9951993), (3, 6634662), (6, 3317331), (9, 2211554), (18, 1105777), (683, 29142), (1366, 14571), (1619, 12294), (2049, 9714), (3238, 6147), (4098, 4857)]