19938672

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10678

約数の個数: 60

約数和(自身を含む): 60098584

約数和(自身を除く): 40159912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10651, 21302, 31953, 42604, 63906, 85208, 95859, 127812, 138463, 170416, 191718, 255624, 276926, 383436, 415389, 511248, 553852, 766872, 830778, 1107704, 1246167, 1533744, 1661556, 2215408, 2492334, 3323112, 4984668, 6646224, 9969336, 19938672]

約数ペア:

[(1, 19938672), (2, 9969336), (3, 6646224), (4, 4984668), (6, 3323112), (8, 2492334), (9, 2215408), (12, 1661556), (13, 1533744), (16, 1246167), (18, 1107704), (24, 830778), (26, 766872), (36, 553852), (39, 511248), (48, 415389), (52, 383436), (72, 276926), (78, 255624), (104, 191718), (117, 170416), (144, 138463), (156, 127812), (208, 95859), (234, 85208), (312, 63906), (468, 42604), (624, 31953), (936, 21302), (1872, 10651)]