19838536

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18652664

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 659, 1318, 2636, 3763, 5272, 7526, 15052, 30104, 34927, 46789, 69854, 93578, 139708, 187156, 279416, 374312, 2479817, 4959634, 9919268, 19838536]

約数ペア:

[(1, 19838536), (2, 9919268), (4, 4959634), (8, 2479817), (53, 374312), (71, 279416), (106, 187156), (142, 139708), (212, 93578), (284, 69854), (424, 46789), (568, 34927), (659, 30104), (1318, 15052), (2636, 7526), (3763, 5272)]