18318603

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 27302400

約数和(自身を除く): 8983797

約数列:

[1, 3, 19, 23, 57, 69, 89, 157, 267, 437, 471, 1311, 1691, 2047, 2983, 3611, 5073, 6141, 8949, 10833, 13973, 38893, 41919, 68609, 116679, 205827, 265487, 321379, 796461, 964137, 6106201, 18318603]

約数ペア:

[(1, 18318603), (3, 6106201), (19, 964137), (23, 796461), (57, 321379), (69, 265487), (89, 205827), (157, 116679), (267, 68609), (437, 41919), (471, 38893), (1311, 13973), (1691, 10833), (2047, 8949), (2983, 6141), (3611, 5073)]