18789628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 20328836

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 107, 143, 214, 286, 307, 428, 572, 614, 1177, 1228, 1391, 2354, 2782, 3377, 3991, 4708, 5564, 6754, 7982, 13508, 15301, 15964, 30602, 32849, 43901, 61204, 65698, 87802, 131396, 175604, 361339, 427037, 722678, 854074, 1445356, 1708148, 4697407, 9394814, 18789628]

約数ペア:

[(1, 18789628), (2, 9394814), (4, 4697407), (11, 1708148), (13, 1445356), (22, 854074), (26, 722678), (44, 427037), (52, 361339), (107, 175604), (143, 131396), (214, 87802), (286, 65698), (307, 61204), (428, 43901), (572, 32849), (614, 30602), (1177, 15964), (1228, 15301), (1391, 13508), (2354, 7982), (2782, 6754), (3377, 5564), (3991, 4708)]