19148925

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 31917600

約数和(自身を除く): 12768675

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1949, 1965, 3275, 5847, 9745, 9825, 29235, 48725, 146175, 255319, 765957, 1276595, 3829785, 6382975, 19148925]

約数ペア:

[(1, 19148925), (3, 6382975), (5, 3829785), (15, 1276595), (25, 765957), (75, 255319), (131, 146175), (393, 48725), (655, 29235), (1949, 9825), (1965, 9745), (3275, 5847)]