1821520138

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1\times {\mathrm{27751}}^1$

素因数の和:28677

約数の個数: 16

約数和(自身を含む): 2809390464

約数和(自身を除く): 987870326

約数列:

[1, 2, 37, 74, 887, 1774, 27751, 32819, 55502, 65638, 1026787, 2053574, 24615137, 49230274, 910760069, 1821520138]

約数ペア:

[(1, 1821520138), (2, 910760069), (37, 49230274), (74, 24615137), (887, 2053574), (1774, 1026787), (27751, 65638), (32819, 55502)]