2019935638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{161569}}^1$

素因数の和:161644

約数の個数: 32

約数和(自身を含む): 3722572800

約数和(自身を除く): 1702637162

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1786, 6251, 12502, 161569, 323138, 1130983, 2261966, 3069811, 6139622, 7593743, 15187486, 21488677, 42977354, 53156201, 106312402, 144281117, 288562234, 1009967819, 2019935638]

約数ペア:

[(1, 2019935638), (2, 1009967819), (7, 288562234), (14, 144281117), (19, 106312402), (38, 53156201), (47, 42977354), (94, 21488677), (133, 15187486), (266, 7593743), (329, 6139622), (658, 3069811), (893, 2261966), (1786, 1130983), (6251, 323138), (12502, 161569)]