18747235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{761}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 24323040

約数和(自身を除く): 5575805

約数列:

[1, 5, 13, 65, 379, 761, 1895, 3805, 4927, 9893, 24635, 49465, 288419, 1442095, 3749447, 18747235]

約数ペア:

[(1, 18747235), (5, 3749447), (13, 1442095), (65, 288419), (379, 49465), (761, 24635), (1895, 9893), (3805, 4927)]