19470724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22865276

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 149, 182, 298, 359, 364, 596, 718, 1043, 1436, 1937, 2086, 2513, 3874, 4172, 4667, 5026, 7748, 9334, 10052, 13559, 18668, 27118, 32669, 53491, 54236, 65338, 106982, 130676, 213964, 374437, 695383, 748874, 1390766, 1497748, 2781532, 4867681, 9735362, 19470724]

約数ペア:

[(1, 19470724), (2, 9735362), (4, 4867681), (7, 2781532), (13, 1497748), (14, 1390766), (26, 748874), (28, 695383), (52, 374437), (91, 213964), (149, 130676), (182, 106982), (298, 65338), (359, 54236), (364, 53491), (596, 32669), (718, 27118), (1043, 18668), (1436, 13559), (1937, 10052), (2086, 9334), (2513, 7748), (3874, 5026), (4172, 4667)]