17969872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26119}}^1$

素因数の和:26170

約数の個数: 20

約数和(自身を含む): 35627680

約数和(自身を除く): 17657808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26119, 52238, 104476, 208952, 417904, 1123117, 2246234, 4492468, 8984936, 17969872]

約数ペア:

[(1, 17969872), (2, 8984936), (4, 4492468), (8, 2246234), (16, 1123117), (43, 417904), (86, 208952), (172, 104476), (344, 52238), (688, 26119)]