17617820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 40951008

約数和(自身を除く): 23333188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1097, 1460, 1606, 2194, 3212, 4015, 4388, 5485, 8030, 10970, 12067, 16060, 21940, 24134, 48268, 60335, 80081, 120670, 160162, 241340, 320324, 400405, 800810, 880891, 1601620, 1761782, 3523564, 4404455, 8808910, 17617820]

約数ペア:

[(1, 17617820), (2, 8808910), (4, 4404455), (5, 3523564), (10, 1761782), (11, 1601620), (20, 880891), (22, 800810), (44, 400405), (55, 320324), (73, 241340), (110, 160162), (146, 120670), (220, 80081), (292, 60335), (365, 48268), (730, 24134), (803, 21940), (1097, 16060), (1460, 12067), (1606, 10970), (2194, 8030), (3212, 5485), (4015, 4388)]