19475870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 36028800

約数和(自身を除く): 16552930

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 277, 395, 445, 554, 790, 890, 1385, 2770, 7031, 14062, 21883, 24653, 35155, 43766, 49306, 70310, 109415, 123265, 218830, 246530, 1947587, 3895174, 9737935, 19475870]

約数ペア:

[(1, 19475870), (2, 9737935), (5, 3895174), (10, 1947587), (79, 246530), (89, 218830), (158, 123265), (178, 109415), (277, 70310), (395, 49306), (445, 43766), (554, 35155), (790, 24653), (890, 21883), (1385, 14062), (2770, 7031)]