18081151

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 21258720

約数和(自身を除く): 3177569

約数列:

[1, 11, 23, 73, 89, 121, 253, 803, 979, 1679, 2047, 2783, 6497, 8833, 10769, 18469, 22517, 71467, 149431, 203159, 247687, 786137, 1643741, 18081151]

約数ペア:

[(1, 18081151), (11, 1643741), (23, 786137), (73, 247687), (89, 203159), (121, 149431), (253, 71467), (803, 22517), (979, 18469), (1679, 10769), (2047, 8833), (2783, 6497)]