18920730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1153}}^1$

素因数の和:1710

約数の個数: 32

約数和(自身を含む): 45532224

約数和(自身を除く): 26611494

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 547, 1094, 1153, 1641, 2306, 2735, 3282, 3459, 5470, 5765, 6918, 8205, 11530, 16410, 17295, 34590, 630691, 1261382, 1892073, 3153455, 3784146, 6306910, 9460365, 18920730]

約数ペア:

[(1, 18920730), (2, 9460365), (3, 6306910), (5, 3784146), (6, 3153455), (10, 1892073), (15, 1261382), (30, 630691), (547, 34590), (1094, 17295), (1153, 16410), (1641, 11530), (2306, 8205), (2735, 6918), (3282, 5765), (3459, 5470)]