19720788

素因数分解:

$2^2\times 3^1\times {\mathrm{179}}^1\times {\mathrm{9181}}^1$

素因数の和:9367

約数の個数: 24

約数和(自身を含む): 46277280

約数和(自身を除く): 26556492

約数列:

[1, 2, 3, 4, 6, 12, 179, 358, 537, 716, 1074, 2148, 9181, 18362, 27543, 36724, 55086, 110172, 1643399, 3286798, 4930197, 6573596, 9860394, 19720788]

約数ペア:

[(1, 19720788), (2, 9860394), (3, 6573596), (4, 4930197), (6, 3286798), (12, 1643399), (179, 110172), (358, 55086), (537, 36724), (716, 27543), (1074, 18362), (2148, 9181)]