19976504

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53129}}^1$

素因数の和:53182

約数の個数: 16

約数和(自身を含む): 38253600

約数和(自身を除く): 18277096

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 53129, 106258, 212516, 425032, 2497063, 4994126, 9988252, 19976504]

約数ペア:

[(1, 19976504), (2, 9988252), (4, 4994126), (8, 2497063), (47, 425032), (94, 212516), (188, 106258), (376, 53129)]