19852964

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 35422968

約数和(自身を除く): 15570004

約数列:

[1, 2, 4, 101, 157, 202, 313, 314, 404, 626, 628, 1252, 15857, 31613, 31714, 49141, 63226, 63428, 98282, 126452, 196564, 4963241, 9926482, 19852964]

約数ペア:

[(1, 19852964), (2, 9926482), (4, 4963241), (101, 196564), (157, 126452), (202, 98282), (313, 63428), (314, 63226), (404, 49141), (626, 31714), (628, 31613), (1252, 15857)]