19937752

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 18845048

約数列:

[1, 2, 4, 8, 53, 59, 106, 118, 212, 236, 424, 472, 797, 1594, 3127, 3188, 6254, 6376, 12508, 25016, 42241, 47023, 84482, 94046, 168964, 188092, 337928, 376184, 2492219, 4984438, 9968876, 19937752]

約数ペア:

[(1, 19937752), (2, 9968876), (4, 4984438), (8, 2492219), (53, 376184), (59, 337928), (106, 188092), (118, 168964), (212, 94046), (236, 84482), (424, 47023), (472, 42241), (797, 25016), (1594, 12508), (3127, 6376), (3188, 6254)]