19684420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140603}}^1$

素因数の和:140619

約数の個数: 24

約数和(自身を含む): 47242944

約数和(自身を除く): 27558524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140603, 281206, 562412, 703015, 984221, 1406030, 1968442, 2812060, 3936884, 4921105, 9842210, 19684420]

約数ペア:

[(1, 19684420), (2, 9842210), (4, 4921105), (5, 3936884), (7, 2812060), (10, 1968442), (14, 1406030), (20, 984221), (28, 703015), (35, 562412), (70, 281206), (140, 140603)]