19703110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{709}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 40691520

約数和(自身を除く): 20988410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 709, 794, 1418, 1985, 2779, 3545, 3970, 4963, 5558, 7090, 9926, 13895, 24815, 27790, 49630, 281473, 562946, 1407365, 1970311, 2814730, 3940622, 9851555, 19703110]

約数ペア:

[(1, 19703110), (2, 9851555), (5, 3940622), (7, 2814730), (10, 1970311), (14, 1407365), (35, 562946), (70, 281473), (397, 49630), (709, 27790), (794, 24815), (1418, 13895), (1985, 9926), (2779, 7090), (3545, 5558), (3970, 4963)]