19984713

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50087}}^1$

素因数の和:50116

約数の個数: 16

約数和(自身を含む): 32056320

約数和(自身を除く): 12071607

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50087, 150261, 350609, 951653, 1051827, 2854959, 6661571, 19984713]

約数ペア:

[(1, 19984713), (3, 6661571), (7, 2854959), (19, 1051827), (21, 951653), (57, 350609), (133, 150261), (399, 50087)]