18682816

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4357}}^1$

素因数の和:4436

約数の個数: 28

約数和(自身を含む): 37635688

約数和(自身を除く): 18952872

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4357, 8714, 17428, 34856, 69712, 139424, 278848, 291919, 583838, 1167676, 2335352, 4670704, 9341408, 18682816]

約数ペア:

[(1, 18682816), (2, 9341408), (4, 4670704), (8, 2335352), (16, 1167676), (32, 583838), (64, 291919), (67, 278848), (134, 139424), (268, 69712), (536, 34856), (1072, 17428), (2144, 8714), (4288, 4357)]