19943872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23971}}^1$

素因数の和:23996

約数の個数: 28

約数和(自身を含む): 42622216

約数和(自身を除く): 22678344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 23971, 47942, 95884, 191768, 311623, 383536, 623246, 767072, 1246492, 1534144, 2492984, 4985968, 9971936, 19943872]

約数ペア:

[(1, 19943872), (2, 9971936), (4, 4985968), (8, 2492984), (13, 1534144), (16, 1246492), (26, 767072), (32, 623246), (52, 383536), (64, 311623), (104, 191768), (208, 95884), (416, 47942), (832, 23971)]