2019807904

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{320401}}^1$

素因数の和:320608

約数の個数: 24

約数和(自身を含む): 3996694548

約数和(自身を除く): 1976886644

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 6304, 320401, 640802, 1281604, 2563208, 5126416, 10252832, 63118997, 126237994, 252475988, 504951976, 1009903952, 2019807904]

約数ペア:

[(1, 2019807904), (2, 1009903952), (4, 504951976), (8, 252475988), (16, 126237994), (32, 63118997), (197, 10252832), (394, 5126416), (788, 2563208), (1576, 1281604), (3152, 640802), (6304, 320401)]