19577072

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6211}}^1$

素因数の和:6416

約数の個数: 20

約数和(自身を含む): 38129256

約数和(自身を除く): 18552184

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6211, 12422, 24844, 49688, 99376, 1223567, 2447134, 4894268, 9788536, 19577072]

約数ペア:

[(1, 19577072), (2, 9788536), (4, 4894268), (8, 2447134), (16, 1223567), (197, 99376), (394, 49688), (788, 24844), (1576, 12422), (3152, 6211)]