19349240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9127}}^1$

素因数の和:9191

約数の個数: 32

約数和(自身を含む): 44362080

約数和(自身を除く): 25012840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9127, 18254, 36508, 45635, 73016, 91270, 182540, 365080, 483731, 967462, 1934924, 2418655, 3869848, 4837310, 9674620, 19349240]

約数ペア:

[(1, 19349240), (2, 9674620), (4, 4837310), (5, 3869848), (8, 2418655), (10, 1934924), (20, 967462), (40, 483731), (53, 365080), (106, 182540), (212, 91270), (265, 73016), (424, 45635), (530, 36508), (1060, 18254), (2120, 9127)]