18196984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9209}}^1$

素因数の和:9247

約数の個数: 32

約数和(自身を含む): 38682000

約数和(自身を除く): 20485016

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9209, 18418, 36836, 73672, 119717, 174971, 239434, 349942, 478868, 699884, 957736, 1399768, 2274623, 4549246, 9098492, 18196984]

約数ペア:

[(1, 18196984), (2, 9098492), (4, 4549246), (8, 2274623), (13, 1399768), (19, 957736), (26, 699884), (38, 478868), (52, 349942), (76, 239434), (104, 174971), (152, 119717), (247, 73672), (494, 36836), (988, 18418), (1976, 9209)]