19624892

素因数分解:

$2^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 20594308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 223, 446, 449, 892, 898, 1561, 1796, 3122, 3143, 6244, 6286, 10927, 12572, 21854, 22001, 43708, 44002, 88004, 100127, 200254, 400508, 700889, 1401778, 2803556, 4906223, 9812446, 19624892]

約数ペア:

[(1, 19624892), (2, 9812446), (4, 4906223), (7, 2803556), (14, 1401778), (28, 700889), (49, 400508), (98, 200254), (196, 100127), (223, 88004), (446, 44002), (449, 43708), (892, 22001), (898, 21854), (1561, 12572), (1796, 10927), (3122, 6286), (3143, 6244)]