18848019

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 9767661

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 323, 367, 901, 969, 1007, 1101, 2703, 3021, 6239, 6973, 17119, 18717, 19451, 20919, 51357, 58353, 118541, 330667, 355623, 369569, 992001, 1108707, 6282673, 18848019]

約数ペア:

[(1, 18848019), (3, 6282673), (17, 1108707), (19, 992001), (51, 369569), (53, 355623), (57, 330667), (159, 118541), (323, 58353), (367, 51357), (901, 20919), (969, 19451), (1007, 18717), (1101, 17119), (2703, 6973), (3021, 6239)]