18087212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 37669632

約数和(自身を除く): 19582420

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 307, 412, 572, 614, 1133, 1228, 1339, 2266, 2678, 3377, 3991, 4532, 5356, 6754, 7982, 13508, 14729, 15964, 29458, 31621, 43901, 58916, 63242, 87802, 126484, 175604, 347831, 411073, 695662, 822146, 1391324, 1644292, 4521803, 9043606, 18087212]

約数ペア:

[(1, 18087212), (2, 9043606), (4, 4521803), (11, 1644292), (13, 1391324), (22, 822146), (26, 695662), (44, 411073), (52, 347831), (103, 175604), (143, 126484), (206, 87802), (286, 63242), (307, 58916), (412, 43901), (572, 31621), (614, 29458), (1133, 15964), (1228, 14729), (1339, 13508), (2266, 7982), (2678, 6754), (3377, 5356), (3991, 4532)]