1644904784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5410871}}^1$

素因数の和:5410898

約数の個数: 20

約数和(自身を含む): 3354740640

約数和(自身を除く): 1709835856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5410871, 10821742, 21643484, 43286968, 86573936, 102806549, 205613098, 411226196, 822452392, 1644904784]

約数ペア:

[(1, 1644904784), (2, 822452392), (4, 411226196), (8, 205613098), (16, 102806549), (19, 86573936), (38, 43286968), (76, 21643484), (152, 10821742), (304, 5410871)]