19978756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23017}}^1$

素因数の和:23059

約数の個数: 24

約数和(自身を含む): 41248256

約数和(自身を除く): 21269500

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23017, 46034, 92068, 161119, 322238, 644476, 713527, 1427054, 2854108, 4994689, 9989378, 19978756]

約数ペア:

[(1, 19978756), (2, 9989378), (4, 4994689), (7, 2854108), (14, 1427054), (28, 713527), (31, 644476), (62, 322238), (124, 161119), (217, 92068), (434, 46034), (868, 23017)]