18933148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4091}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 17158292

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4091, 4628, 8182, 16364, 53183, 106366, 212732, 364099, 728198, 1456396, 4733287, 9466574, 18933148]

約数ペア:

[(1, 18933148), (2, 9466574), (4, 4733287), (13, 1456396), (26, 728198), (52, 364099), (89, 212732), (178, 106366), (356, 53183), (1157, 16364), (2314, 8182), (4091, 4628)]