19478095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 30041280

約数和(自身を除く): 10563185

約数列:

[1, 5, 7, 13, 35, 37, 65, 89, 91, 169, 185, 259, 445, 455, 481, 623, 845, 1157, 1183, 1295, 2405, 3115, 3293, 3367, 5785, 5915, 6253, 8099, 15041, 16465, 16835, 23051, 31265, 40495, 42809, 43771, 75205, 105287, 115255, 214045, 218855, 299663, 526435, 556517, 1498315, 2782585, 3895619, 19478095]

約数ペア:

[(1, 19478095), (5, 3895619), (7, 2782585), (13, 1498315), (35, 556517), (37, 526435), (65, 299663), (89, 218855), (91, 214045), (169, 115255), (185, 105287), (259, 75205), (445, 43771), (455, 42809), (481, 40495), (623, 31265), (845, 23051), (1157, 16835), (1183, 16465), (1295, 15041), (2405, 8099), (3115, 6253), (3293, 5915), (3367, 5785)]