18163504

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 36426240

約数和(自身を除く): 18262736

約数列:

[1, 2, 4, 8, 16, 59, 71, 118, 142, 236, 271, 284, 472, 542, 568, 944, 1084, 1136, 2168, 4189, 4336, 8378, 15989, 16756, 19241, 31978, 33512, 38482, 63956, 67024, 76964, 127912, 153928, 255824, 307856, 1135219, 2270438, 4540876, 9081752, 18163504]

約数ペア:

[(1, 18163504), (2, 9081752), (4, 4540876), (8, 2270438), (16, 1135219), (59, 307856), (71, 255824), (118, 153928), (142, 127912), (236, 76964), (271, 67024), (284, 63956), (472, 38482), (542, 33512), (568, 31978), (944, 19241), (1084, 16756), (1136, 15989), (2168, 8378), (4189, 4336)]