19685540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140611}}^1$

素因数の和:140627

約数の個数: 24

約数和(自身を含む): 47245632

約数和(自身を除く): 27560092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140611, 281222, 562444, 703055, 984277, 1406110, 1968554, 2812220, 3937108, 4921385, 9842770, 19685540]

約数ペア:

[(1, 19685540), (2, 9842770), (4, 4921385), (5, 3937108), (7, 2812220), (10, 1968554), (14, 1406110), (20, 984277), (28, 703055), (35, 562444), (70, 281222), (140, 140611)]