19998165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6379}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 16750635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6379, 19137, 31895, 70169, 95685, 121201, 210507, 350845, 363603, 606005, 1052535, 1333211, 1818015, 3999633, 6666055, 19998165]

約数ペア:

[(1, 19998165), (3, 6666055), (5, 3999633), (11, 1818015), (15, 1333211), (19, 1052535), (33, 606005), (55, 363603), (57, 350845), (95, 210507), (165, 121201), (209, 95685), (285, 70169), (627, 31895), (1045, 19137), (3135, 6379)]