819836890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{9829}}^1$

素因数の和:10294

約数の個数: 32

約数和(自身を含む): 1557072000

約数和(自身を除く): 737235110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 439, 878, 2195, 4390, 8341, 9829, 16682, 19658, 41705, 49145, 83410, 98290, 186751, 373502, 933755, 1867510, 4314931, 8629862, 21574655, 43149310, 81983689, 163967378, 409918445, 819836890]

約数ペア:

[(1, 819836890), (2, 409918445), (5, 163967378), (10, 81983689), (19, 43149310), (38, 21574655), (95, 8629862), (190, 4314931), (439, 1867510), (878, 933755), (2195, 373502), (4390, 186751), (8341, 98290), (9829, 83410), (16682, 49145), (19658, 41705)]