19879396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2939}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 17164604

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 2939, 3382, 5878, 6764, 11756, 55841, 111682, 223364, 261571, 523142, 1046284, 4969849, 9939698, 19879396]

約数ペア:

[(1, 19879396), (2, 9939698), (4, 4969849), (19, 1046284), (38, 523142), (76, 261571), (89, 223364), (178, 111682), (356, 55841), (1691, 11756), (2939, 6764), (3382, 5878)]