19663952

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1451}}^1$

素因数の和:1488

約数の個数: 60

約数和(自身を含む): 47892768

約数和(自身を除く): 28228816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1451, 1694, 1936, 2902, 3388, 5804, 6776, 10157, 11608, 13552, 15961, 20314, 23216, 31922, 40628, 63844, 81256, 111727, 127688, 162512, 175571, 223454, 255376, 351142, 446908, 702284, 893816, 1228997, 1404568, 1787632, 2457994, 2809136, 4915988, 9831976, 19663952]

約数ペア:

[(1, 19663952), (2, 9831976), (4, 4915988), (7, 2809136), (8, 2457994), (11, 1787632), (14, 1404568), (16, 1228997), (22, 893816), (28, 702284), (44, 446908), (56, 351142), (77, 255376), (88, 223454), (112, 175571), (121, 162512), (154, 127688), (176, 111727), (242, 81256), (308, 63844), (484, 40628), (616, 31922), (847, 23216), (968, 20314), (1232, 15961), (1451, 13552), (1694, 11608), (1936, 10157), (2902, 6776), (3388, 5804)]