15122852020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39796979}}^1$

素因数の和:39797007

約数の個数: 24

約数和(自身を含む): 33429463200

約数和(自身を除く): 18306611180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 39796979, 79593958, 159187916, 198984895, 397969790, 756142601, 795939580, 1512285202, 3024570404, 3780713005, 7561426010, 15122852020]

約数ペア:

[(1, 15122852020), (2, 7561426010), (4, 3780713005), (5, 3024570404), (10, 1512285202), (19, 795939580), (20, 756142601), (38, 397969790), (76, 198984895), (95, 159187916), (190, 79593958), (380, 39796979)]