18878551846

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5329913}}^1$

素因数の和:5329956

約数の個数: 32

約数和(自身を含む): 36840365568

約数和(自身を除く): 17961813722

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5329913, 10659826, 37309391, 58629043, 74618782, 117258086, 122587999, 245175998, 410403301, 820806602, 858115993, 1348467989, 1716231986, 2696935978, 9439275923, 18878551846]

約数ペア:

[(1, 18878551846), (2, 9439275923), (7, 2696935978), (11, 1716231986), (14, 1348467989), (22, 858115993), (23, 820806602), (46, 410403301), (77, 245175998), (154, 122587999), (161, 117258086), (253, 74618782), (322, 58629043), (506, 37309391), (1771, 10659826), (3542, 5329913)]