19584980

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1721}}^1$

素因数の和:2299

約数の個数: 24

約数和(自身を含む): 41224680

約数和(自身を除く): 21639700

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1721, 2276, 2845, 3442, 5690, 6884, 8605, 11380, 17210, 34420, 979249, 1958498, 3916996, 4896245, 9792490, 19584980]

約数ペア:

[(1, 19584980), (2, 9792490), (4, 4896245), (5, 3916996), (10, 1958498), (20, 979249), (569, 34420), (1138, 17210), (1721, 11380), (2276, 8605), (2845, 6884), (3442, 5690)]