19757122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18163838

約数列:

[1, 2, 7, 11, 14, 22, 77, 107, 109, 121, 154, 214, 218, 242, 749, 763, 847, 1177, 1199, 1498, 1526, 1694, 2354, 2398, 8239, 8393, 11663, 12947, 13189, 16478, 16786, 23326, 25894, 26378, 81641, 90629, 92323, 128293, 163282, 181258, 184646, 256586, 898051, 1411223, 1796102, 2822446, 9878561, 19757122]

約数ペア:

[(1, 19757122), (2, 9878561), (7, 2822446), (11, 1796102), (14, 1411223), (22, 898051), (77, 256586), (107, 184646), (109, 181258), (121, 163282), (154, 128293), (214, 92323), (218, 90629), (242, 81641), (749, 26378), (763, 25894), (847, 23326), (1177, 16786), (1199, 16478), (1498, 13189), (1526, 12947), (1694, 11663), (2354, 8393), (2398, 8239)]