18713955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5051}}^1$

素因数の和:5091

約数の個数: 32

約数和(自身を含む): 33949440

約数和(自身を除く): 15235485

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5051, 15153, 25255, 65663, 75765, 95969, 196989, 287907, 328315, 479845, 984945, 1247597, 1439535, 3742791, 6237985, 18713955]

約数ペア:

[(1, 18713955), (3, 6237985), (5, 3742791), (13, 1439535), (15, 1247597), (19, 984945), (39, 479845), (57, 328315), (65, 287907), (95, 196989), (195, 95969), (247, 75765), (285, 65663), (741, 25255), (1235, 15153), (3705, 5051)]