19811932

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2819}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 19983908

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 2819, 3514, 5638, 7028, 11276, 19733, 39466, 78932, 707569, 1415138, 2830276, 4952983, 9905966, 19811932]

約数ペア:

[(1, 19811932), (2, 9905966), (4, 4952983), (7, 2830276), (14, 1415138), (28, 707569), (251, 78932), (502, 39466), (1004, 19733), (1757, 11276), (2819, 7028), (3514, 5638)]