18254665

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 26070912

約数和(自身を除く): 7816247

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 211, 605, 715, 1055, 1331, 1573, 2321, 2743, 6655, 7865, 11605, 13715, 17303, 25531, 30173, 86515, 127655, 150865, 280841, 331903, 1404205, 1659515, 3650933, 18254665]

約数ペア:

[(1, 18254665), (5, 3650933), (11, 1659515), (13, 1404205), (55, 331903), (65, 280841), (121, 150865), (143, 127655), (211, 86515), (605, 30173), (715, 25531), (1055, 17303), (1331, 13715), (1573, 11605), (2321, 7865), (2743, 6655)]