18684928

素因数分解:

$2^{10}\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 44

約数和(自身を含む): 38025072

約数和(自身を除く): 19340144

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 257, 284, 512, 514, 568, 1024, 1028, 1136, 2056, 2272, 4112, 4544, 8224, 9088, 16448, 18176, 18247, 32896, 36352, 36494, 65792, 72704, 72988, 131584, 145976, 263168, 291952, 583904, 1167808, 2335616, 4671232, 9342464, 18684928]

約数ペア:

[(1, 18684928), (2, 9342464), (4, 4671232), (8, 2335616), (16, 1167808), (32, 583904), (64, 291952), (71, 263168), (128, 145976), (142, 131584), (256, 72988), (257, 72704), (284, 65792), (512, 36494), (514, 36352), (568, 32896), (1024, 18247), (1028, 18176), (1136, 16448), (2056, 9088), (2272, 8224), (4112, 4544)]