18743361

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12480447

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 967, 1491, 2769, 2901, 6461, 6769, 12571, 19383, 20307, 37713, 68657, 87997, 205971, 263991, 480599, 892541, 1441797, 2677623, 6247787, 18743361]

約数ペア:

[(1, 18743361), (3, 6247787), (7, 2677623), (13, 1441797), (21, 892541), (39, 480599), (71, 263991), (91, 205971), (213, 87997), (273, 68657), (497, 37713), (923, 20307), (967, 19383), (1491, 12571), (2769, 6769), (2901, 6461)]