18749518

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 28675584

約数和(自身を除く): 9926066

約数列:

[1, 2, 97, 127, 194, 254, 761, 1522, 12319, 24638, 73817, 96647, 147634, 193294, 9374759, 18749518]

約数ペア:

[(1, 18749518), (2, 9374759), (97, 193294), (127, 147634), (194, 96647), (254, 73817), (761, 24638), (1522, 12319)]