19711744

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5923}}^1$

素因数の和:5952

約数の個数: 36

約数和(自身を含む): 42380296

約数和(自身を除く): 22668552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5923, 11846, 23692, 47384, 76999, 94768, 153998, 189536, 307996, 379072, 615992, 758144, 1231984, 1516288, 2463968, 4927936, 9855872, 19711744]

約数ペア:

[(1, 19711744), (2, 9855872), (4, 4927936), (8, 2463968), (13, 1516288), (16, 1231984), (26, 758144), (32, 615992), (52, 379072), (64, 307996), (104, 189536), (128, 153998), (208, 94768), (256, 76999), (416, 47384), (832, 23692), (1664, 11846), (3328, 5923)]