18981704

素因数分解:

$2^3\times 7^1\times {\mathrm{338959}}^1$

素因数の和:338972

約数の個数: 16

約数和(自身を含む): 40675200

約数和(自身を除く): 21693496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 338959, 677918, 1355836, 2372713, 2711672, 4745426, 9490852, 18981704]

約数ペア:

[(1, 18981704), (2, 9490852), (4, 4745426), (7, 2711672), (8, 2372713), (14, 1355836), (28, 677918), (56, 338959)]