18880768

素因数分解:

$2^8\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:710

約数の個数: 36

約数和(自身を含む): 38042928

約数和(自身を除く): 19162160

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 524, 563, 1048, 1126, 2096, 2252, 4192, 4504, 8384, 9008, 16768, 18016, 33536, 36032, 72064, 73753, 144128, 147506, 295012, 590024, 1180048, 2360096, 4720192, 9440384, 18880768]

約数ペア:

[(1, 18880768), (2, 9440384), (4, 4720192), (8, 2360096), (16, 1180048), (32, 590024), (64, 295012), (128, 147506), (131, 144128), (256, 73753), (262, 72064), (524, 36032), (563, 33536), (1048, 18016), (1126, 16768), (2096, 9008), (2252, 8384), (4192, 4504)]