151681940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{399163}}^1$

素因数の和:399191

約数の個数: 24

約数和(自身を含む): 335297760

約数和(自身を除く): 183615820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 399163, 798326, 1596652, 1995815, 3991630, 7584097, 7983260, 15168194, 30336388, 37920485, 75840970, 151681940]

約数ペア:

[(1, 151681940), (2, 75840970), (4, 37920485), (5, 30336388), (10, 15168194), (19, 7983260), (20, 7584097), (38, 3991630), (76, 1995815), (95, 1596652), (190, 798326), (380, 399163)]