738864020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1944379}}^1$

素因数の和:1944407

約数の個数: 24

約数和(自身を含む): 1633279200

約数和(自身を除く): 894415180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1944379, 3888758, 7777516, 9721895, 19443790, 36943201, 38887580, 73886402, 147772804, 184716005, 369432010, 738864020]

約数ペア:

[(1, 738864020), (2, 369432010), (4, 184716005), (5, 147772804), (10, 73886402), (19, 38887580), (20, 36943201), (38, 19443790), (76, 9721895), (95, 7777516), (190, 3888758), (380, 1944379)]