19440496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63949}}^1$

素因数の和:63976

約数の個数: 20

約数和(自身を含む): 39649000

約数和(自身を除く): 20208504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63949, 127898, 255796, 511592, 1023184, 1215031, 2430062, 4860124, 9720248, 19440496]

約数ペア:

[(1, 19440496), (2, 9720248), (4, 4860124), (8, 2430062), (16, 1215031), (19, 1023184), (38, 511592), (76, 255796), (152, 127898), (304, 63949)]