18603136

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21054464

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 89, 92, 128, 142, 178, 184, 284, 356, 368, 568, 712, 736, 1136, 1424, 1472, 1633, 2047, 2272, 2848, 2944, 3266, 4094, 4544, 5696, 6319, 6532, 8188, 9088, 11392, 12638, 13064, 16376, 25276, 26128, 32752, 50552, 52256, 65504, 101104, 104512, 131008, 145337, 202208, 209024, 262016, 290674, 404416, 581348, 808832, 1162696, 2325392, 4650784, 9301568, 18603136]

約数ペア:

[(1, 18603136), (2, 9301568), (4, 4650784), (8, 2325392), (16, 1162696), (23, 808832), (32, 581348), (46, 404416), (64, 290674), (71, 262016), (89, 209024), (92, 202208), (128, 145337), (142, 131008), (178, 104512), (184, 101104), (284, 65504), (356, 52256), (368, 50552), (568, 32752), (712, 26128), (736, 25276), (1136, 16376), (1424, 13064), (1472, 12638), (1633, 11392), (2047, 9088), (2272, 8188), (2848, 6532), (2944, 6319), (3266, 5696), (4094, 4544)]