18537123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 10327389

約数列:

[1, 3, 11, 17, 33, 51, 173, 187, 191, 519, 561, 573, 1903, 2101, 2941, 3247, 5709, 6303, 8823, 9741, 32351, 33043, 35717, 97053, 99129, 107151, 363473, 561731, 1090419, 1685193, 6179041, 18537123]

約数ペア:

[(1, 18537123), (3, 6179041), (11, 1685193), (17, 1090419), (33, 561731), (51, 363473), (173, 107151), (187, 99129), (191, 97053), (519, 35717), (561, 33043), (573, 32351), (1903, 9741), (2101, 8823), (2941, 6303), (3247, 5709)]