19822916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 35449344

約数和(自身を除く): 15626428

約数列:

[1, 2, 4, 71, 142, 223, 284, 313, 446, 626, 892, 1252, 15833, 22223, 31666, 44446, 63332, 69799, 88892, 139598, 279196, 4955729, 9911458, 19822916]

約数ペア:

[(1, 19822916), (2, 9911458), (4, 4955729), (71, 279196), (142, 139598), (223, 88892), (284, 69799), (313, 63332), (446, 44446), (626, 31666), (892, 22223), (1252, 15833)]