2019901552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6644413}}^1$

素因数の和:6644440

約数の個数: 20

約数和(自身を含む): 4119536680

約数和(自身を除く): 2099635128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6644413, 13288826, 26577652, 53155304, 106310608, 126243847, 252487694, 504975388, 1009950776, 2019901552]

約数ペア:

[(1, 2019901552), (2, 1009950776), (4, 504975388), (8, 252487694), (16, 126243847), (19, 106310608), (38, 53155304), (76, 26577652), (152, 13288826), (304, 6644413)]