19087480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3433}}^1$

素因数の和:3583

約数の個数: 32

約数和(自身を含む): 43268400

約数和(自身を除く): 24180920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3433, 5560, 6866, 13732, 17165, 27464, 34330, 68660, 137320, 477187, 954374, 1908748, 2385935, 3817496, 4771870, 9543740, 19087480]

約数ペア:

[(1, 19087480), (2, 9543740), (4, 4771870), (5, 3817496), (8, 2385935), (10, 1908748), (20, 954374), (40, 477187), (139, 137320), (278, 68660), (556, 34330), (695, 27464), (1112, 17165), (1390, 13732), (2780, 6866), (3433, 5560)]