18949711

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 21712896

約数和(自身を除く): 2763185

約数列:

[1, 11, 31, 61, 341, 671, 911, 1891, 10021, 20801, 28241, 55571, 310651, 611281, 1722701, 18949711]

約数ペア:

[(1, 18949711), (11, 1722701), (31, 611281), (61, 310651), (341, 55571), (671, 28241), (911, 20801), (1891, 10021)]