18807039

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 28976640

約数和(自身を除く): 10169601

約数列:

[1, 3, 9, 27, 43, 97, 129, 167, 291, 387, 501, 873, 1161, 1503, 2619, 4171, 4509, 7181, 12513, 16199, 21543, 37539, 48597, 64629, 112617, 145791, 193887, 437373, 696557, 2089671, 6269013, 18807039]

約数ペア:

[(1, 18807039), (3, 6269013), (9, 2089671), (27, 696557), (43, 437373), (97, 193887), (129, 145791), (167, 112617), (291, 64629), (387, 48597), (501, 37539), (873, 21543), (1161, 16199), (1503, 12513), (2619, 7181), (4171, 4509)]