2155588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 4021920

約数和(自身を除く): 1866332

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 251, 452, 502, 1004, 2147, 4294, 4769, 8588, 9538, 19076, 28363, 56726, 113452, 538897, 1077794, 2155588]

約数ペア:

[(1, 2155588), (2, 1077794), (4, 538897), (19, 113452), (38, 56726), (76, 28363), (113, 19076), (226, 9538), (251, 8588), (452, 4769), (502, 4294), (1004, 2147)]