19317470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 37075968

約数和(自身を除く): 17758498

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1787, 2162, 3574, 5405, 8935, 10810, 17870, 41101, 82202, 83989, 167978, 205505, 411010, 419945, 839890, 1931747, 3863494, 9658735, 19317470]

約数ペア:

[(1, 19317470), (2, 9658735), (5, 3863494), (10, 1931747), (23, 839890), (46, 419945), (47, 411010), (94, 205505), (115, 167978), (230, 83989), (235, 82202), (470, 41101), (1081, 17870), (1787, 10810), (2162, 8935), (3574, 5405)]