18517460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 42542976

約数和(自身を除く): 24025516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1063, 1340, 1742, 2126, 3484, 4252, 4355, 5315, 8710, 10630, 13819, 17420, 21260, 27638, 55276, 69095, 71221, 138190, 142442, 276380, 284884, 356105, 712210, 925873, 1424420, 1851746, 3703492, 4629365, 9258730, 18517460]

約数ペア:

[(1, 18517460), (2, 9258730), (4, 4629365), (5, 3703492), (10, 1851746), (13, 1424420), (20, 925873), (26, 712210), (52, 356105), (65, 284884), (67, 276380), (130, 142442), (134, 138190), (260, 71221), (268, 69095), (335, 55276), (670, 27638), (871, 21260), (1063, 17420), (1340, 13819), (1742, 10630), (2126, 8710), (3484, 5315), (4252, 4355)]