18193545

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 35078400

約数和(自身を除く): 16884855

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 171, 173, 205, 285, 369, 513, 519, 615, 779, 855, 865, 1107, 1557, 1845, 2337, 2565, 2595, 3287, 3895, 4671, 5535, 7011, 7093, 7785, 9861, 11685, 16435, 21033, 21279, 23355, 29583, 35055, 35465, 49305, 63837, 88749, 105165, 106395, 134767, 147915, 191511, 319185, 404301, 443745, 673835, 957555, 1212903, 2021505, 3638709, 6064515, 18193545]

約数ペア:

[(1, 18193545), (3, 6064515), (5, 3638709), (9, 2021505), (15, 1212903), (19, 957555), (27, 673835), (41, 443745), (45, 404301), (57, 319185), (95, 191511), (123, 147915), (135, 134767), (171, 106395), (173, 105165), (205, 88749), (285, 63837), (369, 49305), (513, 35465), (519, 35055), (615, 29583), (779, 23355), (855, 21279), (865, 21033), (1107, 16435), (1557, 11685), (1845, 9861), (2337, 7785), (2565, 7093), (2595, 7011), (3287, 5535), (3895, 4671)]