19725244

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1307}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 43948800

約数和(自身を除く): 24223556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1307, 1372, 2156, 2614, 3773, 5228, 7546, 9149, 14377, 15092, 18298, 28754, 36596, 57508, 64043, 100639, 128086, 201278, 256172, 402556, 448301, 704473, 896602, 1408946, 1793204, 2817892, 4931311, 9862622, 19725244]

約数ペア:

[(1, 19725244), (2, 9862622), (4, 4931311), (7, 2817892), (11, 1793204), (14, 1408946), (22, 896602), (28, 704473), (44, 448301), (49, 402556), (77, 256172), (98, 201278), (154, 128086), (196, 100639), (308, 64043), (343, 57508), (539, 36596), (686, 28754), (1078, 18298), (1307, 15092), (1372, 14377), (2156, 9149), (2614, 7546), (3773, 5228)]