18405794

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4046

約数の個数: 24

約数和(自身を含む): 31951920

約数和(自身を除く): 13546126

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4003, 4598, 8006, 44033, 76057, 88066, 152114, 484363, 836627, 968726, 1673254, 9202897, 18405794]

約数ペア:

[(1, 18405794), (2, 9202897), (11, 1673254), (19, 968726), (22, 836627), (38, 484363), (121, 152114), (209, 88066), (242, 76057), (418, 44033), (2299, 8006), (4003, 4598)]