18646016

素因数分解:

$2^{10}\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 44

約数和(自身を含む): 37828560

約数和(自身を除く): 19182544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 139, 256, 262, 278, 512, 524, 556, 1024, 1048, 1112, 2096, 2224, 4192, 4448, 8384, 8896, 16768, 17792, 18209, 33536, 35584, 36418, 67072, 71168, 72836, 134144, 142336, 145672, 291344, 582688, 1165376, 2330752, 4661504, 9323008, 18646016]

約数ペア:

[(1, 18646016), (2, 9323008), (4, 4661504), (8, 2330752), (16, 1165376), (32, 582688), (64, 291344), (128, 145672), (131, 142336), (139, 134144), (256, 72836), (262, 71168), (278, 67072), (512, 36418), (524, 35584), (556, 33536), (1024, 18209), (1048, 17792), (1112, 16768), (2096, 8896), (2224, 8384), (4192, 4448)]