20180237266

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{261463}}^1$

素因数の和:261658

約数の個数: 32

約数和(自身を含む): 35768275200

約数和(自身を除く): 15588037934

約数列:

[1, 2, 7, 14, 37, 74, 149, 259, 298, 518, 1043, 2086, 5513, 11026, 38591, 77182, 261463, 522926, 1830241, 3660482, 9674131, 19348262, 38957987, 67718917, 77915974, 135437834, 272705909, 545411818, 1441445519, 2882891038, 10090118633, 20180237266]

約数ペア:

[(1, 20180237266), (2, 10090118633), (7, 2882891038), (14, 1441445519), (37, 545411818), (74, 272705909), (149, 135437834), (259, 77915974), (298, 67718917), (518, 38957987), (1043, 19348262), (2086, 9674131), (5513, 3660482), (11026, 1830241), (38591, 522926), (77182, 261463)]