1916416

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 40

約数和(自身を含む): 4051080

約数和(自身を除く): 2134664

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 197, 256, 304, 394, 512, 608, 788, 1216, 1576, 2432, 3152, 3743, 4864, 6304, 7486, 9728, 12608, 14972, 25216, 29944, 50432, 59888, 100864, 119776, 239552, 479104, 958208, 1916416]

約数ペア:

[(1, 1916416), (2, 958208), (4, 479104), (8, 239552), (16, 119776), (19, 100864), (32, 59888), (38, 50432), (64, 29944), (76, 25216), (128, 14972), (152, 12608), (197, 9728), (256, 7486), (304, 6304), (394, 4864), (512, 3743), (608, 3152), (788, 2432), (1216, 1576)]