18764019

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 28011984

約数和(自身を除く): 9247965

約数列:

[1, 3, 9, 41, 123, 211, 241, 369, 633, 723, 1899, 2169, 8651, 9881, 25953, 29643, 50851, 77859, 88929, 152553, 457659, 2084891, 6254673, 18764019]

約数ペア:

[(1, 18764019), (3, 6254673), (9, 2084891), (41, 457659), (123, 152553), (211, 88929), (241, 77859), (369, 50851), (633, 29643), (723, 25953), (1899, 9881), (2169, 8651)]