19397858

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1093

約数の個数: 16

約数和(自身を含む): 29688120

約数和(自身を除く): 10290262

約数列:

[1, 2, 101, 109, 202, 218, 881, 1762, 11009, 22018, 88981, 96029, 177962, 192058, 9698929, 19397858]

約数ペア:

[(1, 19397858), (2, 9698929), (101, 192058), (109, 177962), (202, 96029), (218, 88981), (881, 22018), (1762, 11009)]