18993286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10007}}^1$

素因数の和:10095

約数の個数: 16

約数和(自身を含む): 31104864

約数和(自身を除く): 12111578

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10007, 20014, 130091, 260182, 730511, 1461022, 9496643, 18993286]

約数ペア:

[(1, 18993286), (2, 9496643), (13, 1461022), (26, 730511), (73, 260182), (146, 130091), (949, 20014), (1898, 10007)]