18758234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13175206

約数列:

[1, 2, 11, 22, 43, 79, 86, 158, 251, 473, 502, 869, 946, 1738, 2761, 3397, 5522, 6794, 10793, 19829, 21586, 37367, 39658, 74734, 118723, 218119, 237446, 436238, 852647, 1705294, 9379117, 18758234]

約数ペア:

[(1, 18758234), (2, 9379117), (11, 1705294), (22, 852647), (43, 436238), (79, 237446), (86, 218119), (158, 118723), (251, 74734), (473, 39658), (502, 37367), (869, 21586), (946, 19829), (1738, 10793), (2761, 6794), (3397, 5522)]