19699862

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 37917600

約数和(自身を除く): 18217738

約数列:

[1, 2, 7, 13, 14, 26, 47, 49, 91, 94, 98, 182, 329, 343, 611, 637, 658, 686, 1222, 1274, 2209, 2303, 4277, 4418, 4459, 4606, 8554, 8918, 15463, 16121, 28717, 29939, 30926, 32242, 57434, 59878, 108241, 201019, 209573, 216482, 402038, 419146, 757687, 1407133, 1515374, 2814266, 9849931, 19699862]

約数ペア:

[(1, 19699862), (2, 9849931), (7, 2814266), (13, 1515374), (14, 1407133), (26, 757687), (47, 419146), (49, 402038), (91, 216482), (94, 209573), (98, 201019), (182, 108241), (329, 59878), (343, 57434), (611, 32242), (637, 30926), (658, 29939), (686, 28717), (1222, 16121), (1274, 15463), (2209, 8918), (2303, 8554), (4277, 4606), (4418, 4459)]