19661950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5107}}^1$

素因数の和:5137

約数の個数: 48

約数和(自身を含む): 45604224

約数和(自身を除く): 25942274

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5107, 10214, 25535, 35749, 51070, 56177, 71498, 112354, 127675, 178745, 255350, 280885, 357490, 393239, 561770, 786478, 893725, 1404425, 1787450, 1966195, 2808850, 3932390, 9830975, 19661950]

約数ペア:

[(1, 19661950), (2, 9830975), (5, 3932390), (7, 2808850), (10, 1966195), (11, 1787450), (14, 1404425), (22, 893725), (25, 786478), (35, 561770), (50, 393239), (55, 357490), (70, 280885), (77, 255350), (110, 178745), (154, 127675), (175, 112354), (275, 71498), (350, 56177), (385, 51070), (550, 35749), (770, 25535), (1925, 10214), (3850, 5107)]