19438798

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 30305664

約数和(自身を除く): 10866866

約数列:

[1, 2, 31, 62, 157, 314, 1997, 3994, 4867, 9734, 61907, 123814, 313529, 627058, 9719399, 19438798]

約数ペア:

[(1, 19438798), (2, 9719399), (31, 627058), (62, 313529), (157, 123814), (314, 61907), (1997, 9734), (3994, 4867)]