201910288

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{90787}}^1$

素因数の和:90934

約数の個数: 20

約数和(自身を含む): 394019920

約数和(自身を除く): 192109632

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 90787, 181574, 363148, 726296, 1452592, 12619393, 25238786, 50477572, 100955144, 201910288]

約数ペア:

[(1, 201910288), (2, 100955144), (4, 50477572), (8, 25238786), (16, 12619393), (139, 1452592), (278, 726296), (556, 363148), (1112, 181574), (2224, 90787)]