199918456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1315253}}^1$

素因数の和:1315278

約数の個数: 16

約数和(自身を含む): 394576200

約数和(自身を除く): 194657744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1315253, 2630506, 5261012, 10522024, 24989807, 49979614, 99959228, 199918456]

約数ペア:

[(1, 199918456), (2, 99959228), (4, 49979614), (8, 24989807), (19, 10522024), (38, 5261012), (76, 2630506), (152, 1315253)]