18666190

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14249}}^1$

素因数の和:14387

約数の個数: 16

約数和(自身を含む): 33858000

約数和(自身を除く): 15191810

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 14249, 28498, 71245, 142490, 1866619, 3733238, 9333095, 18666190]

約数ペア:

[(1, 18666190), (2, 9333095), (5, 3733238), (10, 1866619), (131, 142490), (262, 71245), (655, 28498), (1310, 14249)]