18985694

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 35555520

約数和(自身を除く): 16569826

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1429, 1898, 2858, 6643, 10003, 13286, 18577, 20006, 37154, 104317, 130039, 208634, 260078, 730219, 1356121, 1460438, 2712242, 9492847, 18985694]

約数ペア:

[(1, 18985694), (2, 9492847), (7, 2712242), (13, 1460438), (14, 1356121), (26, 730219), (73, 260078), (91, 208634), (146, 130039), (182, 104317), (511, 37154), (949, 20006), (1022, 18577), (1429, 13286), (1898, 10003), (2858, 6643)]