18660304

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 60

約数和(自身を含む): 40119456

約数和(自身を除く): 21459152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 103, 104, 134, 169, 206, 208, 268, 338, 412, 536, 676, 824, 871, 1072, 1339, 1352, 1648, 1742, 2678, 2704, 3484, 5356, 6901, 6968, 10712, 11323, 13802, 13936, 17407, 21424, 22646, 27604, 34814, 45292, 55208, 69628, 89713, 90584, 110416, 139256, 179426, 181168, 278512, 358852, 717704, 1166269, 1435408, 2332538, 4665076, 9330152, 18660304]

約数ペア:

[(1, 18660304), (2, 9330152), (4, 4665076), (8, 2332538), (13, 1435408), (16, 1166269), (26, 717704), (52, 358852), (67, 278512), (103, 181168), (104, 179426), (134, 139256), (169, 110416), (206, 90584), (208, 89713), (268, 69628), (338, 55208), (412, 45292), (536, 34814), (676, 27604), (824, 22646), (871, 21424), (1072, 17407), (1339, 13936), (1352, 13802), (1648, 11323), (1742, 10712), (2678, 6968), (2704, 6901), (3484, 5356)]