18320687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1039}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 22963200

約数和(自身を除く): 4642513

約数列:

[1, 7, 11, 77, 229, 1039, 1603, 2519, 7273, 11429, 17633, 80003, 237931, 1665517, 2617241, 18320687]

約数ペア:

[(1, 18320687), (7, 2617241), (11, 1665517), (77, 237931), (229, 80003), (1039, 17633), (1603, 11429), (2519, 7273)]