19848784

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5563}}^1$

素因数の和:5794

約数の個数: 20

約数和(自身を含む): 38636416

約数和(自身を除く): 18787632

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5563, 11126, 22252, 44504, 89008, 1240549, 2481098, 4962196, 9924392, 19848784]

約数ペア:

[(1, 19848784), (2, 9924392), (4, 4962196), (8, 2481098), (16, 1240549), (223, 89008), (446, 44504), (892, 22252), (1784, 11126), (3568, 5563)]