18894799

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 6320177

約数列:

[1, 7, 11, 23, 47, 77, 161, 227, 253, 329, 517, 1081, 1589, 1771, 2497, 3619, 5221, 7567, 10669, 11891, 17479, 36547, 57431, 74683, 83237, 117359, 245387, 402017, 821513, 1717709, 2699257, 18894799]

約数ペア:

[(1, 18894799), (7, 2699257), (11, 1717709), (23, 821513), (47, 402017), (77, 245387), (161, 117359), (227, 83237), (253, 74683), (329, 57431), (517, 36547), (1081, 17479), (1589, 11891), (1771, 10669), (2497, 7567), (3619, 5221)]