19932944

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7643}}^1$

素因数の和:7814

約数の個数: 20

約数和(自身を含む): 38862096

約数和(自身を除く): 18929152

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7643, 15286, 30572, 61144, 122288, 1245809, 2491618, 4983236, 9966472, 19932944]

約数ペア:

[(1, 19932944), (2, 9966472), (4, 4983236), (8, 2491618), (16, 1245809), (163, 122288), (326, 61144), (652, 30572), (1304, 15286), (2608, 7643)]