19952716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 41746432

約数和(自身を除く): 21793716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 181, 217, 254, 362, 434, 508, 724, 868, 889, 1267, 1778, 2534, 3556, 3937, 5068, 5611, 7874, 11222, 15748, 22444, 22987, 27559, 39277, 45974, 55118, 78554, 91948, 110236, 157108, 160909, 321818, 643636, 712597, 1425194, 2850388, 4988179, 9976358, 19952716]

約数ペア:

[(1, 19952716), (2, 9976358), (4, 4988179), (7, 2850388), (14, 1425194), (28, 712597), (31, 643636), (62, 321818), (124, 160909), (127, 157108), (181, 110236), (217, 91948), (254, 78554), (362, 55118), (434, 45974), (508, 39277), (724, 27559), (868, 22987), (889, 22444), (1267, 15748), (1778, 11222), (2534, 7874), (3556, 5611), (3937, 5068)]