19668165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14891835

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 599, 995, 1797, 2189, 2985, 2995, 6567, 6589, 8985, 10945, 19767, 32835, 32945, 98835, 119201, 357603, 596005, 1311211, 1788015, 3933633, 6556055, 19668165]

約数ペア:

[(1, 19668165), (3, 6556055), (5, 3933633), (11, 1788015), (15, 1311211), (33, 596005), (55, 357603), (165, 119201), (199, 98835), (597, 32945), (599, 32835), (995, 19767), (1797, 10945), (2189, 8985), (2985, 6589), (2995, 6567)]