18649696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 39965184

約数和(自身を除く): 21315488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 208, 254, 353, 416, 508, 706, 1016, 1412, 1651, 2032, 2824, 3302, 4064, 4589, 5648, 6604, 9178, 11296, 13208, 18356, 26416, 36712, 44831, 52832, 73424, 89662, 146848, 179324, 358648, 582803, 717296, 1165606, 1434592, 2331212, 4662424, 9324848, 18649696]

約数ペア:

[(1, 18649696), (2, 9324848), (4, 4662424), (8, 2331212), (13, 1434592), (16, 1165606), (26, 717296), (32, 582803), (52, 358648), (104, 179324), (127, 146848), (208, 89662), (254, 73424), (353, 52832), (416, 44831), (508, 36712), (706, 26416), (1016, 18356), (1412, 13208), (1651, 11296), (2032, 9178), (2824, 6604), (3302, 5648), (4064, 4589)]