19889648

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26449}}^1$

素因数の和:26504

約数の個数: 20

約数和(自身を含む): 39357600

約数和(自身を除く): 19467952

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26449, 52898, 105796, 211592, 423184, 1243103, 2486206, 4972412, 9944824, 19889648]

約数ペア:

[(1, 19889648), (2, 9944824), (4, 4972412), (8, 2486206), (16, 1243103), (47, 423184), (94, 211592), (188, 105796), (376, 52898), (752, 26449)]