19983194

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 39787200

約数和(自身を除く): 19804006

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 449, 578, 898, 1309, 2023, 2618, 3143, 3179, 4046, 4939, 6286, 6358, 7633, 9878, 15266, 22253, 34573, 44506, 53431, 69146, 83963, 106862, 129761, 167926, 259522, 587741, 908327, 1175482, 1427371, 1816654, 2854742, 9991597, 19983194]

約数ペア:

[(1, 19983194), (2, 9991597), (7, 2854742), (11, 1816654), (14, 1427371), (17, 1175482), (22, 908327), (34, 587741), (77, 259522), (119, 167926), (154, 129761), (187, 106862), (238, 83963), (289, 69146), (374, 53431), (449, 44506), (578, 34573), (898, 22253), (1309, 15266), (2023, 9878), (2618, 7633), (3143, 6358), (3179, 6286), (4046, 4939)]