18839884

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1087}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 37775360

約数和(自身を除く): 18935476

約数列:

[1, 2, 4, 7, 14, 28, 619, 1087, 1238, 2174, 2476, 4333, 4348, 7609, 8666, 15218, 17332, 30436, 672853, 1345706, 2691412, 4709971, 9419942, 18839884]

約数ペア:

[(1, 18839884), (2, 9419942), (4, 4709971), (7, 2691412), (14, 1345706), (28, 672853), (619, 30436), (1087, 17332), (1238, 15218), (2174, 8666), (2476, 7609), (4333, 4348)]