19785536

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 56

約数和(自身を含む): 42245280

約数和(自身を除く): 22459744

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 152, 212, 304, 307, 424, 608, 614, 848, 1007, 1216, 1228, 1696, 2014, 2456, 3392, 4028, 4912, 5833, 8056, 9824, 11666, 16112, 16271, 19648, 23332, 32224, 32542, 46664, 64448, 65084, 93328, 130168, 186656, 260336, 309149, 373312, 520672, 618298, 1041344, 1236596, 2473192, 4946384, 9892768, 19785536]

約数ペア:

[(1, 19785536), (2, 9892768), (4, 4946384), (8, 2473192), (16, 1236596), (19, 1041344), (32, 618298), (38, 520672), (53, 373312), (64, 309149), (76, 260336), (106, 186656), (152, 130168), (212, 93328), (304, 65084), (307, 64448), (424, 46664), (608, 32542), (614, 32224), (848, 23332), (1007, 19648), (1216, 16271), (1228, 16112), (1696, 11666), (2014, 9824), (2456, 8056), (3392, 5833), (4028, 4912)]