19129460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1277}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 27246604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1277, 1498, 2140, 2554, 2996, 3745, 5108, 6385, 7490, 8939, 12770, 14980, 17878, 25540, 35756, 44695, 89390, 136639, 178780, 273278, 546556, 683195, 956473, 1366390, 1912946, 2732780, 3825892, 4782365, 9564730, 19129460]

約数ペア:

[(1, 19129460), (2, 9564730), (4, 4782365), (5, 3825892), (7, 2732780), (10, 1912946), (14, 1366390), (20, 956473), (28, 683195), (35, 546556), (70, 273278), (107, 178780), (140, 136639), (214, 89390), (428, 44695), (535, 35756), (749, 25540), (1070, 17878), (1277, 14980), (1498, 12770), (2140, 8939), (2554, 7490), (2996, 6385), (3745, 5108)]