18899445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13759755

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1889, 2001, 3335, 5667, 9445, 10005, 28335, 43447, 54781, 130341, 164343, 217235, 273905, 651705, 821715, 1259963, 3779889, 6299815, 18899445]

約数ペア:

[(1, 18899445), (3, 6299815), (5, 3779889), (15, 1259963), (23, 821715), (29, 651705), (69, 273905), (87, 217235), (115, 164343), (145, 130341), (345, 54781), (435, 43447), (667, 28335), (1889, 10005), (2001, 9445), (3335, 5667)]