19258900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 54

約数和(自身を含む): 43471610

約数和(自身を除く): 24212710

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 229, 290, 458, 580, 725, 841, 916, 1145, 1450, 1682, 2290, 2900, 3364, 4205, 4580, 5725, 6641, 8410, 11450, 13282, 16820, 21025, 22900, 26564, 33205, 42050, 66410, 84100, 132820, 166025, 192589, 332050, 385178, 664100, 770356, 962945, 1925890, 3851780, 4814725, 9629450, 19258900]

約数ペア:

[(1, 19258900), (2, 9629450), (4, 4814725), (5, 3851780), (10, 1925890), (20, 962945), (25, 770356), (29, 664100), (50, 385178), (58, 332050), (100, 192589), (116, 166025), (145, 132820), (229, 84100), (290, 66410), (458, 42050), (580, 33205), (725, 26564), (841, 22900), (916, 21025), (1145, 16820), (1450, 13282), (1682, 11450), (2290, 8410), (2900, 6641), (3364, 5725), (4205, 4580)]