19686448

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{3931}}^1$

素因数の和:4252

約数の個数: 20

約数和(自身を含む): 38274088

約数和(自身を除く): 18587640

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 3931, 5008, 7862, 15724, 31448, 62896, 1230403, 2460806, 4921612, 9843224, 19686448]

約数ペア:

[(1, 19686448), (2, 9843224), (4, 4921612), (8, 2460806), (16, 1230403), (313, 62896), (626, 31448), (1252, 15724), (2504, 7862), (3931, 5008)]