197993984

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{20353}}^1$

素因数の和:20390

約数の個数: 40

約数和(自身を含む): 416442840

約数和(自身を除く): 218448856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 20353, 40706, 81412, 162824, 325648, 386707, 651296, 773414, 1302592, 1546828, 2605184, 3093656, 5210368, 6187312, 10420736, 12374624, 24749248, 49498496, 98996992, 197993984]

約数ペア:

[(1, 197993984), (2, 98996992), (4, 49498496), (8, 24749248), (16, 12374624), (19, 10420736), (32, 6187312), (38, 5210368), (64, 3093656), (76, 2605184), (128, 1546828), (152, 1302592), (256, 773414), (304, 651296), (512, 386707), (608, 325648), (1216, 162824), (2432, 81412), (4864, 40706), (9728, 20353)]