19929500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1733}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 45444672

約数和(自身を除く): 25515172

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1733, 2300, 2875, 3466, 5750, 6932, 8665, 11500, 17330, 34660, 39859, 43325, 79718, 86650, 159436, 173300, 199295, 216625, 398590, 433250, 797180, 866500, 996475, 1992950, 3985900, 4982375, 9964750, 19929500]

約数ペア:

[(1, 19929500), (2, 9964750), (4, 4982375), (5, 3985900), (10, 1992950), (20, 996475), (23, 866500), (25, 797180), (46, 433250), (50, 398590), (92, 216625), (100, 199295), (115, 173300), (125, 159436), (230, 86650), (250, 79718), (460, 43325), (500, 39859), (575, 34660), (1150, 17330), (1733, 11500), (2300, 8665), (2875, 6932), (3466, 5750)]