18388293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3461}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 31905792

約数和(自身を除く): 13517499

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3461, 5313, 10383, 24227, 38071, 72681, 79603, 114213, 238809, 266497, 557221, 799491, 875633, 1671663, 2626899, 6129431, 18388293]

約数ペア:

[(1, 18388293), (3, 6129431), (7, 2626899), (11, 1671663), (21, 875633), (23, 799491), (33, 557221), (69, 266497), (77, 238809), (161, 114213), (231, 79603), (253, 72681), (483, 38071), (759, 24227), (1771, 10383), (3461, 5313)]