19538864

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{14713}}^1$

素因数の和:14804

約数の個数: 20

約数和(自身を含む): 38315256

約数和(自身を除く): 18776392

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 14713, 29426, 58852, 117704, 235408, 1221179, 2442358, 4884716, 9769432, 19538864]

約数ペア:

[(1, 19538864), (2, 9769432), (4, 4884716), (8, 2442358), (16, 1221179), (83, 235408), (166, 117704), (332, 58852), (664, 29426), (1328, 14713)]