19810680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165089}}^1$

素因数の和:165103

約数の個数: 32

約数和(自身を含む): 59432400

約数和(自身を除く): 39621720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165089, 330178, 495267, 660356, 825445, 990534, 1320712, 1650890, 1981068, 2476335, 3301780, 3962136, 4952670, 6603560, 9905340, 19810680]

約数ペア:

[(1, 19810680), (2, 9905340), (3, 6603560), (4, 4952670), (5, 3962136), (6, 3301780), (8, 2476335), (10, 1981068), (12, 1650890), (15, 1320712), (20, 990534), (24, 825445), (30, 660356), (40, 495267), (60, 330178), (120, 165089)]