19987338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475889}}^1$

素因数の和:475901

約数の個数: 16

約数和(自身を含む): 45685440

約数和(自身を除く): 25698102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475889, 951778, 1427667, 2855334, 3331223, 6662446, 9993669, 19987338]

約数ペア:

[(1, 19987338), (2, 9993669), (3, 6662446), (6, 3331223), (7, 2855334), (14, 1427667), (21, 951778), (42, 475889)]