18548189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 2740771

約数列:

[1, 11, 23, 167, 253, 439, 1837, 3841, 4829, 10097, 42251, 73313, 111067, 806443, 1686199, 18548189]

約数ペア:

[(1, 18548189), (11, 1686199), (23, 806443), (167, 111067), (253, 73313), (439, 42251), (1837, 10097), (3841, 4829)]