18942848

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7822

約数の個数: 32

約数和(自身を含む): 39729000

約数和(自身を除く): 20786152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 7789, 15578, 31156, 62312, 124624, 147991, 249248, 295982, 498496, 591964, 996992, 1183928, 2367856, 4735712, 9471424, 18942848]

約数ペア:

[(1, 18942848), (2, 9471424), (4, 4735712), (8, 2367856), (16, 1183928), (19, 996992), (32, 591964), (38, 498496), (64, 295982), (76, 249248), (128, 147991), (152, 124624), (304, 62312), (608, 31156), (1216, 15578), (2432, 7789)]