2180959802

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{264487}}^1$

素因数の和:264546

約数の個数: 32

約数和(自身を含む): 4062535680

約数和(自身を除く): 1881575878

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 264487, 528974, 1851409, 3702818, 5025253, 8199097, 10050506, 16398194, 35176771, 57393679, 70353542, 114787358, 155782843, 311565686, 1090479901, 2180959802]

約数ペア:

[(1, 2180959802), (2, 1090479901), (7, 311565686), (14, 155782843), (19, 114787358), (31, 70353542), (38, 57393679), (62, 35176771), (133, 16398194), (217, 10050506), (266, 8199097), (434, 5025253), (589, 3702818), (1178, 1851409), (4123, 528974), (8246, 264487)]