18997448

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{67}}^2$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 37800315

約数和(自身を除く): 18802867

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 529, 536, 1058, 1541, 2116, 3082, 4232, 4489, 6164, 8978, 12328, 17956, 35443, 35912, 70886, 103247, 141772, 206494, 283544, 412988, 825976, 2374681, 4749362, 9498724, 18997448]

約数ペア:

[(1, 18997448), (2, 9498724), (4, 4749362), (8, 2374681), (23, 825976), (46, 412988), (67, 283544), (92, 206494), (134, 141772), (184, 103247), (268, 70886), (529, 35912), (536, 35443), (1058, 17956), (1541, 12328), (2116, 8978), (3082, 6164), (4232, 4489)]