18843370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20707}}^1$

素因数の和:20734

約数の個数: 32

約数和(自身を含む): 41747328

約数和(自身を除く): 22903958

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20707, 41414, 103535, 144949, 207070, 269191, 289898, 538382, 724745, 1345955, 1449490, 1884337, 2691910, 3768674, 9421685, 18843370]

約数ペア:

[(1, 18843370), (2, 9421685), (5, 3768674), (7, 2691910), (10, 1884337), (13, 1449490), (14, 1345955), (26, 724745), (35, 538382), (65, 289898), (70, 269191), (91, 207070), (130, 144949), (182, 103535), (455, 41414), (910, 20707)]